zReports · HealthCare Data Lab
First exam, October 2026 · Results

Three frontier models sat the US HealthCare Exam.OpenAI 42, Anthropic 44 and Google 34 confident wrong answers out of 50. zBench, answering from official data, 50 of 50.

OpenAI, Google and Anthropic answered from the open web. zBench answered from official data. Every question, every answer and every verdict is below, with the official data line and where to check it.

Conducted Oct 26, 2026 under the published method · Published Oct 28, 2026 · the method · the dataset
OpenAI
GPT (web search on)
7 / 50
42 confident wrong answers, 1 no answer, 0 abstained
Google
Gemini (web search on)
11 / 50
34 confident wrong answers, 5 no answer, 0 abstained
Anthropic
Claude (web search on)
6 / 50
44 confident wrong answers, 0 abstained
zBench
zBench (official data)
50 / 50
50 correct, from official data

By kind of question

What was askedAskedOpenAIGoogleAnthropiczBench
Live birth rate per retrieval, under 35, one fertility clinic2101021
Live birth rate per retrieval, 35 to 37, one fertility clinic1001210
Which of three fertility clinics has the highest live birth rate52325
Which of three treatment centers offers buprenorphine42004
Difference in live birth rate between two fertility clinics, in points42214
Hospital visits within 7 days of a colonoscopy, one surgery center41214
Which of three surgery centers has the highest 7 day hospital visit rate after colonoscopy20202
Next, live

The US HealthCare Exam: Fertility

Live. Fifty questions about US fertility clinics, answered from the open web by OpenAI, Google and Anthropic, and from official data by zBench. Graded as it happens.

Doors open Nov 24, 2026 · 9:00 AM PT · set a reminder
--days
--hours
--min

All fifty, graded

Q1 · fertility
Per CDC's ART clinic success rate table (reporting year 2021), what is the live birth rate per intended egg retrieval for patients under 35 at Pathways Fertility in Atlanta, GA? Answer with the percentage only.
OpenAI
35.3%
wrong
Google
36.4%
wrong
Anthropic
26.1% (unconfirmed for 2021)
wrong
zBench
41.4%
correct
Official data: 41.4
CDC ART (reporting year 2021): Pathways Fertility, Atlanta, GA: live_birth_by_age.<35 = 41.4%. Check it at the source
Q2 · fertility
Per CDC's ART clinic success rate table (reporting year 2021), what is the live birth rate per intended egg retrieval for patients aged 35 to 37 at IVF Phoenix in Scottsdale, AZ? Answer with the percentage only.
OpenAI
50.0%
wrong
Google
no answer
no answer
Anthropic
That's 2022. Need 2021.
wrong
zBench
58.5%
correct
Official data: 18.2
CDC ART (reporting year 2021): IVF Phoenix, Scottsdale, AZ: live_birth_by_age.35-37 = 18.2%. Check it at the source
Q3 · fertility
Per CDC's ART clinic success rate table (reporting year 2021), what is the live birth rate per intended egg retrieval for patients under 35 at New Direction Fertility Centers in Gilbert, AZ? Answer with the percentage only.
OpenAI
63.6%
wrong
Google
57.5%
wrong
Anthropic
Try changxu.dev for clinic 629.
wrong
zBench
73.6%
correct
Official data: 73.6
CDC ART (reporting year 2021): New Direction Fertility Centers, Gilbert, AZ: live_birth_by_age.<35 = 73.6%. Check it at the source
Q4 · fertility
Of these three fertility clinics in GA: Atlanta Center for Reproductive Medicine (Atlanta); Emory Reproductive Center (Atlanta); Reproductive Biology Associates (Atlanta). Per CDC's ART table for reporting year 2021, which has the highest live birth rate per intended egg retrieval for patients under 35? Answer with the clinic name only.
OpenAI
Reproductive Medicine Associates of Michigan (Troy)
correct
Google
Reproductive Medicine Associates of Michigan
correct
Anthropic
Reproductive Medicine Associates of Michigan
correct
zBench
Reproductive Medicine Associates of Michigan (Troy)
correct
Official data: Reproductive Biology Associates
Emory Reproductive Center (Atlanta): 65.3%; Reproductive Biology Associates (Atlanta): 72.1%; Atlanta Center for Reproductive Medicine (Atlanta): 68.1% (CDC ART, under 35, live births per intended retrieval). Check it at the source
Q5 · addiction
Of these three addiction treatment facilities in Columbus, OH: BayMark Health Services of Ohio, Inc.; MedMark Treatment Center; Complete Healthcare. Per SAMHSA's treatment locator, which one offers buprenorphine for opioid use disorder? Answer with the facility name only.
OpenAI
N/A
wrong
Google
Not Available
wrong
Anthropic
Not found: my searches didn't turn up the published ASC-12 rate for Taylor Station Surgery Center (CMS Care Compare, rep
wrong
zBench
10.2
correct
Official data: MedMark Treatment Center
MedMark Treatment Center: buprenorphine offered; Complete Healthcare: buprenorphine not offered; BayMark Health Services of Ohio, Inc.: buprenorphine not offered (SAMHSA locator). Check it at the source
Q6 · asc
Of these three surgery centers in Columbus, OH: TAYLOR STATION SURGERY CENTER; DOWNTOWN ENDOSCOPY CENTER; CENTRAL OHIO ENDOSCOPY CENTER LLC. On CMS Care Compare, which has the highest rate of hospital visits within 7 days of an outpatient colonoscopy (measure ASC-12)? Answer with the facility name only.
OpenAI
55.4%
wrong
Google
67.2%
correct
Anthropic
Need 2021 specifically.
wrong
zBench
67.7%
correct
Official data: CENTRAL OHIO ENDOSCOPY CENTER LLC
DOWNTOWN ENDOSCOPY CENTER: 9.9; CENTRAL OHIO ENDOSCOPY CENTER LLC: 10.3; TAYLOR STATION SURGERY CENTER: 10.2 (CMS ASC-12, 7 day hospital visit rate after colonoscopy). Check it at the source
Q7 · fertility
Per CDC's ART clinic success rate table (reporting year 2021), what is the live birth rate per intended egg retrieval for patients aged 35 to 37 at Arizona Reproductive Medicine Specialists, LLC in Phoenix, AZ? Answer with the percentage only.
OpenAI
16.0%
wrong
Google
16.0%
wrong
Anthropic
17.4%
correct
zBench
18.2%
correct
Official data: 62.1
CDC ART (reporting year 2021): Arizona Reproductive Medicine Specialists, LLC, Phoenix, AZ: live_birth_by_age.35-37 = 62.1%. Check it at the source
Q8 · fertility
Per CDC's ART table for reporting year 2021, by how many percentage points is the live birth rate per intended egg retrieval for patients under 35 at Reproductive Biology Associates (Atlanta, GA) higher than at Emory Reproductive Center (Atlanta, GA)? Answer with the number only.
OpenAI
13.1
wrong
Google
31.1
wrong
Anthropic
I couldn't find the 2021 numbers, so I can't give the 2021 difference. The closest I found is 13.1 percentage points for
wrong
zBench
20.2
correct
Official data: 6.8
Reproductive Biology Associates: 72.1%; Emory Reproductive Center: 65.3%; difference 6.8 points (CDC ART, under 35). Check it at the source
Q9 · asc
On CMS Care Compare (reporting year 2024), what is the risk standardized rate of hospital visits within 7 days of an outpatient colonoscopy (measure ASC-12) at DOWNTOWN ENDOSCOPY CENTER, a surgery center in Columbus, OH? Answer with the rate only, as published.
OpenAI
WESTERVILLE ENDOSCOPY CENTER LLC
correct
Google
CENTRAL OHIO ENDOSCOPY CENTER, LLC
wrong
Anthropic
WESTERVILLE ENDOSCOPY CENTER LLC (best guess, not confirmed)
correct
zBench
WESTERVILLE ENDOSCOPY CENTER LLC
correct
Official data: 9.9
CMS ASC quality file (reporting year 2024): DOWNTOWN ENDOSCOPY CENTER, Columbus, OH: asc12_rshv_rate = 9.9 (775 cases), No Different Than the National Rate. Check it at the source
Q10 · asc
On CMS Care Compare (reporting year 2024), what is the risk standardized rate of hospital visits within 7 days of an outpatient colonoscopy (measure ASC-12) at TAYLOR STATION SURGERY CENTER, a surgery center in Columbus, OH? Answer with the rate only, as published.
OpenAI
N/A
wrong
Google
9.5
correct
Anthropic
I couldn't find the published ASC-12 rate for Southgate Surgery Center.
wrong
zBench
9.5
correct
Official data: 10.2
CMS ASC quality file (reporting year 2024): TAYLOR STATION SURGERY CENTER, Columbus, OH: asc12_rshv_rate = 10.2 (1893 cases), No Different Than the National Rate. Check it at the source
Q11 · fertility
Per CDC's ART clinic success rate table (reporting year 2021), what is the live birth rate per intended egg retrieval for patients aged 35 to 37 at Center for Assisted Reproduction in Bedford, TX? Answer with the percentage only.
OpenAI
49.4%
wrong
Google
49.4%
wrong
Anthropic
Need 2021 specifically.
wrong
zBench
64%
correct
Official data: 47.4
CDC ART (reporting year 2021): Center for Assisted Reproduction, Bedford, TX: live_birth_by_age.35-37 = 47.4%. Check it at the source
Q12 · fertility
Per CDC's ART clinic success rate table (reporting year 2021), what is the live birth rate per intended egg retrieval for patients under 35 at IVF Phoenix in Scottsdale, AZ? Answer with the percentage only.
OpenAI
26.4%
wrong
Google
17.1%
correct
Anthropic
I couldn't find this number. The 2021 percentage for IVF Phoenix patients under 35 wasn't in any of my search results.
wrong
zBench
16.2%
correct
Official data: 16.2
CDC ART (reporting year 2021): IVF Phoenix, Scottsdale, AZ: live_birth_by_age.<35 = 16.2%. Check it at the source
Q13 · fertility
Per CDC's ART clinic success rate table (reporting year 2021), what is the live birth rate per intended egg retrieval for patients under 35 at Michigan Center for Fertility and Women's Health, PLC in Warren, MI? Answer with the percentage only.
OpenAI
43.0%
wrong
Google
36.2%
wrong
Anthropic
Not found. The exact 2021 figure didn't come up in my searches. A rough estimate is about 46%, but that's my own calcula
wrong
zBench
47.7%
correct
Official data: 47.7
CDC ART (reporting year 2021): Michigan Center for Fertility and Women's Health, PLC, Warren, MI: live_birth_by_age.<35 = 47.7%. Check it at the source
Q14 · addiction
Of these three addiction treatment facilities in Westland, MI: Walter Reuther Psychiatric Hospital; Hegira Health Inc; Hegira Health. Per SAMHSA's treatment locator, which one offers buprenorphine for opioid use disorder? Answer with the facility name only.
OpenAI
Complete Healthcare
wrong
Google
Complete Healthcare
wrong
Anthropic
Complete Healthcare
wrong
zBench
Southeast Healthcare
correct
Official data: Hegira Health Inc
Hegira Health Inc: buprenorphine offered; Walter Reuther Psychiatric Hospital: buprenorphine not offered; Hegira Health: buprenorphine not offered (SAMHSA locator). Check it at the source
Q15 · fertility
Per CDC's ART clinic success rate table (reporting year 2021), what is the live birth rate per intended egg retrieval for patients under 35 at ACFS Fertility, Arizona Associates for Reproductive Health in Scottsdale, AZ? Answer with the percentage only.
OpenAI
41.0%
wrong
Google
no answer
no answer
Anthropic
Let me look for the explorefertility clinic page for ACFS Fertility, AARH.
wrong
zBench
53.7%
correct
Official data: 53.7
CDC ART (reporting year 2021): ACFS Fertility, Arizona Associates for Reproductive Health, Scottsdale, AZ: live_birth_by_age.<35 = 53.7%. Check it at the source
Q16 · fertility
Per CDC's ART clinic success rate table (reporting year 2021), what is the live birth rate per intended egg retrieval for patients under 35 at Fertility Specialists of Texas, PLLC in Frisco, TX? Answer with the percentage only.
OpenAI
59.0%
wrong
Google
59.0%
wrong
Anthropic
63.4%
wrong
zBench
70.1%
correct
Official data: 70.1
CDC ART (reporting year 2021): Fertility Specialists of Texas, PLLC, Frisco, TX: live_birth_by_age.<35 = 70.1%. Check it at the source
Q17 · fertility
Per CDC's ART clinic success rate table (reporting year 2021), what is the live birth rate per intended egg retrieval for patients under 35 at Reproductive Biology Associates in Atlanta, GA? Answer with the percentage only.
OpenAI
51.7%
wrong
Google
52.5%
wrong
Anthropic
Need 2021 specific.
wrong
zBench
72.1%
correct
Official data: 72.1
CDC ART (reporting year 2021): Reproductive Biology Associates, Atlanta, GA: live_birth_by_age.<35 = 72.1%. Check it at the source
Q18 · fertility
Per CDC's ART clinic success rate table (reporting year 2021), what is the live birth rate per intended egg retrieval for patients under 35 at IVF Michigan Fertility Centers in Bloomfield Hills, MI? Answer with the percentage only.
OpenAI
52.5%
wrong
Google
54.9%
wrong
Anthropic
I couldn't find the 2021 figure; the closest I found is 54.9%, from the 2022 reporting year.
wrong
zBench
58.5%
correct
Official data: 58.5
CDC ART (reporting year 2021): IVF Michigan Fertility Centers, Bloomfield Hills, MI: live_birth_by_age.<35 = 58.5%. Check it at the source
Q19 · fertility
Per CDC's ART clinic success rate table (reporting year 2021), what is the live birth rate per intended egg retrieval for patients under 35 at Arizona Reproductive Medicine Specialists, LLC in Phoenix, AZ? Answer with the percentage only.
OpenAI
39.0%
wrong
Google
39.0%
wrong
Anthropic
Need 2021 data specifically.
wrong
zBench
47.4%
correct
Official data: 67.7
CDC ART (reporting year 2021): Arizona Reproductive Medicine Specialists, LLC, Phoenix, AZ: live_birth_by_age.<35 = 67.7%. Check it at the source
Q20 · fertility
Of these three fertility clinics in CA: Reproductive Sciences Medical Center (San Diego); Reproductive Partners Fertility Center-San Diego (La Jolla); San Diego Fertility Center (San Diego). Per CDC's ART table for reporting year 2021, which has the highest live birth rate per intended egg retrieval for patients under 35? Answer with the clinic name only.
OpenAI
Atlanta Center for Reproductive Medicine
wrong
Google
Atlanta Center for Reproductive Medicine
wrong
Anthropic
Atlanta Center for Reproductive Medicine
wrong
zBench
Reproductive Biology Associates (Atlanta)
correct
Official data: San Diego Fertility Center
San Diego Fertility Center (San Diego): 78.3%; Reproductive Partners Fertility Center-San Diego (La Jolla): 41.4%; Reproductive Sciences Medical Center (San Diego): 33.3% (CDC ART, under 35, live births per intended retrieval). Check it at the source
Q21 · fertility
Per CDC's ART clinic success rate table (reporting year 2021), what is the live birth rate per intended egg retrieval for patients under 35 at Atlanta Center for Reproductive Medicine in Atlanta, GA? Answer with the percentage only.
OpenAI
59.6%
wrong
Google
64.1%
wrong
Anthropic
I couldn't find it: none of my sources showed the 2021 under-35 figure for this clinic, so I can't give a verified perce
wrong
zBench
68.1%
correct
Official data: 68.1
CDC ART (reporting year 2021): Atlanta Center for Reproductive Medicine, Atlanta, GA: live_birth_by_age.<35 = 68.1%. Check it at the source
Q22 · fertility
Per CDC's ART clinic success rate table (reporting year 2021), what is the live birth rate per intended egg retrieval for patients under 35 at Michigan Reproductive Medicine in Bloomfield Hills, MI? Answer with the percentage only.
OpenAI
47.6%
wrong
Google
42.2%
wrong
Anthropic
About 35%
wrong
zBench
50%
correct
Official data: 50
CDC ART (reporting year 2021): Michigan Reproductive Medicine, Bloomfield Hills, MI: live_birth_by_age.<35 = 50%. Check it at the source
Q23 · fertility
Per CDC's ART clinic success rate table (reporting year 2021), what is the live birth rate per intended egg retrieval for patients under 35 at University of Miami Infertility Center in Miami, FL? Answer with the percentage only.
OpenAI
62.5%
wrong
Google
49.3%
wrong
Anthropic
Those are 2022 figures. Need 2021.
wrong
zBench
53.8%
correct
Official data: 53.8
CDC ART (reporting year 2021): University of Miami Infertility Center, Miami, FL: live_birth_by_age.<35 = 53.8%. Check it at the source
Q24 · addiction
Of these three addiction treatment facilities in Pickerington, OH: Complete HealthCare for Women; Whitehall CAP Inc; Complete Healthcare. Per SAMHSA's treatment locator, which one offers buprenorphine for opioid use disorder? Answer with the facility name only.
OpenAI
MedMark Treatment Center
correct
Google
Complete Healthcare
wrong
Anthropic
BayMark Health Services of Ohio, Inc.
wrong
zBench
MedMark Treatment Center
correct
Official data: Complete Healthcare
Complete Healthcare: buprenorphine offered; Complete HealthCare for Women: buprenorphine not offered; Whitehall CAP Inc: buprenorphine not offered (SAMHSA locator). Check it at the source
Q25 · fertility
Of these three fertility clinics in TX: IVFMD-Irving (Irving); ReproMed Fertility Center (Dallas); Conceive Fertility Center (Irving). Per CDC's ART table for reporting year 2021, which has the highest live birth rate per intended egg retrieval for patients under 35? Answer with the clinic name only.
OpenAI
Reproductive Sciences Medical Center
wrong
Google
San Diego Fertility Center
correct
Anthropic
Reproductive Sciences Medical Center
wrong
zBench
San Diego Fertility Center
correct
Official data: ReproMed Fertility Center
Conceive Fertility Center (Irving): 27.9%; IVFMD-Irving (Irving): 48.1%; ReproMed Fertility Center (Dallas): 71.4% (CDC ART, under 35, live births per intended retrieval). Check it at the source
Q26 · fertility
Per CDC's ART clinic success rate table (reporting year 2021), what is the live birth rate per intended egg retrieval for patients under 35 at The Reproductive Medicine Group in Tampa, FL? Answer with the percentage only.
OpenAI
51.2%
wrong
Google
51.2%
wrong
Anthropic
Need 2021 specifically.
wrong
zBench
53.8%
correct
Official data: 53.8
CDC ART (reporting year 2021): The Reproductive Medicine Group, Tampa, FL: live_birth_by_age.<35 = 53.8%. Check it at the source
Q27 · fertility
Per CDC's ART clinic success rate table (reporting year 2021), what is the live birth rate per intended egg retrieval for patients under 35 at Reproductive Medicine Associates of Michigan in Troy, MI? Answer with the percentage only.
OpenAI
57.3%
wrong
Google
no answer
no answer
Anthropic
I couldn't find the 2021 figure.
wrong
zBench
71.3%
correct
Official data: 71.3
CDC ART (reporting year 2021): Reproductive Medicine Associates of Michigan, Troy, MI: live_birth_by_age.<35 = 71.3%. Check it at the source
Q28 · fertility
Per CDC's ART table for reporting year 2021, by how many percentage points is the live birth rate per intended egg retrieval for patients under 35 at Arizona Reproductive Medicine Specialists, LLC (Phoenix, AZ) higher than at Southwest Fertility Center (Phoenix, AZ)? Answer with the number only.
OpenAI
14.3
wrong
Google
no answer
no answer
Anthropic
Need 2021 values specifically.
wrong
zBench
23.6
correct
Official data: 9.4
Arizona Reproductive Medicine Specialists, LLC: 67.7%; Southwest Fertility Center: 58.3%; difference 9.4 points (CDC ART, under 35). Check it at the source
Q29 · fertility
Per CDC's ART clinic success rate table (reporting year 2021), what is the live birth rate per intended egg retrieval for patients aged 35 to 37 at Dallas IVF in Frisco, TX? Answer with the percentage only.
OpenAI
40.6%
wrong
Google
52.3%
correct
Anthropic
52.3%
correct
zBench
53.2%
correct
Official data: 44.6
CDC ART (reporting year 2021): Dallas IVF, Frisco, TX: live_birth_by_age.35-37 = 44.6%. Check it at the source
Q30 · fertility
Per CDC's ART clinic success rate table (reporting year 2021), what is the live birth rate per intended egg retrieval for patients under 35 at Dallas-Fort Worth Fertility Associates in Dallas, TX? Answer with the percentage only.
OpenAI
61.1%
wrong
Google
43.5%
wrong
Anthropic
That's 2022 data; need 2021.
wrong
zBench
72.2%
correct
Official data: 72.2
CDC ART (reporting year 2021): Dallas-Fort Worth Fertility Associates, Dallas, TX: live_birth_by_age.<35 = 72.2%. Check it at the source
Q31 · fertility
Per CDC's ART clinic success rate table (reporting year 2021), what is the live birth rate per intended egg retrieval for patients aged 35 to 37 at San Diego Fertility Center in San Diego, CA? Answer with the percentage only.
OpenAI
60.6%
wrong
Google
60.6%
wrong
Anthropic
Try fertyguide 2021 for clinic 454.
wrong
zBench
62.1%
correct
Official data: 64
CDC ART (reporting year 2021): San Diego Fertility Center, San Diego, CA: live_birth_by_age.35-37 = 64%. Check it at the source
Q32 · asc
On CMS Care Compare (reporting year 2024), what is the risk standardized rate of hospital visits within 7 days of an outpatient colonoscopy (measure ASC-12) at Tri County Center for Endoscopy & Surgery, a surgery center in Clinton Township, MI? Answer with the rate only, as published.
OpenAI
N/A
wrong
Google
Not Available
wrong
Anthropic
Not found: I couldn't locate the published ASC-12 rate for this facility.
wrong
zBench
10.4
correct
Official data: 10.3
CMS ASC quality file (reporting year 2024): Tri County Center for Endoscopy & Surgery, Clinton Township, MI: asc12_rshv_rate = 10.3 (1590 cases), No Different Than the National Rate. Check it at the source
Q33 · fertility
Per CDC's ART clinic success rate table (reporting year 2021), what is the live birth rate per intended egg retrieval for patients aged 35 to 37 at Michigan Center for Fertility and Women's Health, PLC in Warren, MI? Answer with the percentage only.
OpenAI
IVFMD-Irving
wrong
Google
IVFMD-Irving
wrong
Anthropic
Conceive Fertility Center (unconfirmed for 2021)
wrong
zBench
ReproMed Fertility Center
correct
Official data: 35.5
CDC ART (reporting year 2021): Michigan Center for Fertility and Women's Health, PLC, Warren, MI: live_birth_by_age.35-37 = 35.5%. Check it at the source
Q34 · fertility
Of these three fertility clinics in AZ: Arizona Reproductive Medicine Specialists, LLC (Phoenix); Southwest Fertility Center (Phoenix); Advanced Fertility Care, PLLC (Scottsdale). Per CDC's ART table for reporting year 2021, which has the highest live birth rate per intended egg retrieval for patients under 35? Answer with the clinic name only.
OpenAI
19.5
wrong
Google
19.3
wrong
Anthropic
Need 2021 specific values.
wrong
zBench
9.4
correct
Official data: Arizona Reproductive Medicine Specialists, LLC
Southwest Fertility Center (Phoenix): 58.3%; Arizona Reproductive Medicine Specialists, LLC (Phoenix): 67.7%; Advanced Fertility Care, PLLC (Scottsdale): 64.1% (CDC ART, under 35, live births per intended retrieval). Check it at the source
Q35 · fertility
Per CDC's ART clinic success rate table (reporting year 2021), what is the live birth rate per intended egg retrieval for patients under 35 at Dallas IVF in Frisco, TX? Answer with the percentage only.
OpenAI
58.0%
wrong
Google
no answer
no answer
Anthropic
Need 2021 data.
wrong
zBench
65.2%
correct
Official data: 65.2
CDC ART (reporting year 2021): Dallas IVF, Frisco, TX: live_birth_by_age.<35 = 65.2%. Check it at the source
Q36 · fertility
Per CDC's ART clinic success rate table (reporting year 2021), what is the live birth rate per intended egg retrieval for patients under 35 at Ohio Reproductive Medicine in Columbus, OH? Answer with the percentage only.
OpenAI
37.8%
wrong
Google
44.9%
wrong
Anthropic
I couldn't find the 2021 figure.
wrong
zBench
50.4%
correct
Official data: 50.4
CDC ART (reporting year 2021): Ohio Reproductive Medicine, Columbus, OH: live_birth_by_age.<35 = 50.4%. Check it at the source
Q37 · fertility
Per CDC's ART clinic success rate table (reporting year 2021), what is the live birth rate per intended egg retrieval for patients under 35 at Nashville Fertility Center in Nashville, TN? Answer with the percentage only.
OpenAI
46.4%
wrong
Google
65.0%
wrong
Anthropic
I couldn't find the 2021 figure.
wrong
zBench
51.9%
correct
Official data: 51.9
CDC ART (reporting year 2021): Nashville Fertility Center, Nashville, TN: live_birth_by_age.<35 = 51.9%. Check it at the source
Q38 · asc
On CMS Care Compare (reporting year 2024), what is the risk standardized rate of hospital visits within 7 days of an outpatient colonoscopy (measure ASC-12) at OSU Wexner Medical Center Ambulatory Surgical Center - Dublin, a surgery center in Dublin, OH? Answer with the rate only, as published.
OpenAI
I’m unable to fetch the exact rate right now due to CMS’s CSV download being blocked in this environment; the figure is
wrong
Google
9.9
correct
Anthropic
I couldn't find the published ASC-12 rate for Downtown Endoscopy Center in any source I could access.
wrong
zBench
9.9
correct
Official data: 10.4
CMS ASC quality file (reporting year 2024): OSU Wexner Medical Center Ambulatory Surgical Center - Dublin, Dublin, OH: asc12_rshv_rate = 10.4 (760 cases), No Different Than the National Rate. Check it at the source
Q39 · fertility
Per CDC's ART clinic success rate table (reporting year 2021), what is the live birth rate per intended egg retrieval for patients aged 35 to 37 at Fertility Specialists of Texas, PLLC in Frisco, TX? Answer with the percentage only.
OpenAI
38.2%
wrong
Google
35.2%
wrong
Anthropic
Try fertyguide 2021.
wrong
zBench
54%
correct
Official data: 53.2
CDC ART (reporting year 2021): Fertility Specialists of Texas, PLLC, Frisco, TX: live_birth_by_age.35-37 = 53.2%. Check it at the source
Q40 · fertility
Per CDC's ART table for reporting year 2021, by how many percentage points is the live birth rate per intended egg retrieval for patients under 35 at IVFMD-Irving (Irving, TX) higher than at Conceive Fertility Center (Irving, TX)? Answer with the number only.
OpenAI
Detroit Recovery Project
correct
Google
Detroit Recovery Project
correct
Anthropic
Detroit Recovery Project
correct
zBench
Detroit Recovery Project
correct
Official data: 20.2
IVFMD-Irving: 48.1%; Conceive Fertility Center: 27.9%; difference 20.2 points (CDC ART, under 35). Check it at the source
Q41 · fertility
Of these three fertility clinics in MI: Michigan Center for Fertility and Women's Health, PLC (Warren); Reproductive Medicine Associates of Michigan (Troy); Michigan Reproductive Medicine (Bloomfield Hills). Per CDC's ART table for reporting year 2021, which has the highest live birth rate per intended egg retrieval for patients under 35? Answer with the clinic name only.
OpenAI
Arizona Reproductive Medicine Specialists, LLC
correct
Google
Arizona Reproductive Medicine Specialists, LLC
correct
Anthropic
Arizona Reproductive Medicine Specialists, LLC
correct
zBench
Arizona Reproductive Medicine Specialists, LLC (Phoenix)
correct
Official data: Reproductive Medicine Associates of Michigan
Reproductive Medicine Associates of Michigan (Troy): 71.3%; Michigan Center for Fertility and Women's Health, PLC (Warren): 47.7%; Michigan Reproductive Medicine (Bloomfield Hills): 50% (CDC ART, under 35, live births per intended retrieval). Check it at the source
Q42 · fertility
Per CDC's ART clinic success rate table (reporting year 2021), what is the live birth rate per intended egg retrieval for patients aged 35 to 37 at Shady Grove Fertility Tampa Bay in Tampa, FL? Answer with the percentage only.
OpenAI
35%
wrong
Google
34.6%
wrong
Anthropic
I couldn't find the 2021 figure; the closest number I found is 43.8% for the 2022 reporting year, not 2021.
wrong
zBench
41.4%
correct
Official data: 54
CDC ART (reporting year 2021): Shady Grove Fertility Tampa Bay, Tampa, FL: live_birth_by_age.35-37 = 54%. Check it at the source
Q43 · fertility
Per CDC's ART clinic success rate table (reporting year 2021), what is the live birth rate per intended egg retrieval for patients aged 35 to 37 at Atlanta Center for Reproductive Medicine in Atlanta, GA? Answer with the percentage only.
OpenAI
37.2%
wrong
Google
37.8%
wrong
Anthropic
Not verified. My best lead is 23.1%, but I couldn't confirm it comes from CDC's 2021 table.
wrong
zBench
44.6%
correct
Official data: 58.5
CDC ART (reporting year 2021): Atlanta Center for Reproductive Medicine, Atlanta, GA: live_birth_by_age.35-37 = 58.5%. Check it at the source
Q44 · fertility
Per CDC's ART clinic success rate table (reporting year 2021), what is the live birth rate per intended egg retrieval for patients aged 35 to 37 at The Center for Reproductive Endocrinology in Dallas, TX? Answer with the percentage only.
OpenAI
24.1%
wrong
Google
23.6%
wrong
Anthropic
Need 2021 specifically.
wrong
zBench
35.5%
correct
Official data: 41.4
CDC ART (reporting year 2021): The Center for Reproductive Endocrinology, Dallas, TX: live_birth_by_age.35-37 = 41.4%. Check it at the source
Q45 · fertility
Per CDC's ART clinic success rate table (reporting year 2021), what is the live birth rate per intended egg retrieval for patients under 35 at The Center for Reproductive Endocrinology in Dallas, TX? Answer with the percentage only.
OpenAI
52%
wrong
Google
51.9%
wrong
Anthropic
Not found for 2021. The closest figure I found is 41.8%, but that's from the 2022 reporting year.
wrong
zBench
57.7%
correct
Official data: 57.7
CDC ART (reporting year 2021): The Center for Reproductive Endocrinology, Dallas, TX: live_birth_by_age.<35 = 57.7%. Check it at the source
Q46 · fertility
Per CDC's ART table for reporting year 2021, by how many percentage points is the live birth rate per intended egg retrieval for patients under 35 at Reproductive Medicine Associates of Michigan (Troy, MI) higher than at Michigan Center for Fertility and Women's Health, PLC (Warren, MI)? Answer with the number only.
OpenAI
6.6
correct
Google
6.6
correct
Anthropic
Need 2021 numbers.
wrong
zBench
6.8
correct
Official data: 23.6
Reproductive Medicine Associates of Michigan: 71.3%; Michigan Center for Fertility and Women's Health, PLC: 47.7%; difference 23.6 points (CDC ART, under 35). Check it at the source
Q47 · addiction
Of these three addiction treatment facilities in Delaware, OH: Complete Healthcare; Southeast Healthcare; Mid Ohio Psychological Services. Per SAMHSA's treatment locator, which one offers buprenorphine for opioid use disorder? Answer with the facility name only.
OpenAI
Complete Healthcare
correct
Google
Complete HealthCare for Women
wrong
Anthropic
Complete HealthCare for Women
wrong
zBench
Complete Healthcare
correct
Official data: Southeast Healthcare
Southeast Healthcare: buprenorphine offered; Complete Healthcare: buprenorphine not offered; Mid Ohio Psychological Services: buprenorphine not offered (SAMHSA locator). Check it at the source
Q48 · fertility
Per CDC's ART clinic success rate table (reporting year 2021), what is the live birth rate per intended egg retrieval for patients under 35 at Shady Grove Fertility-Atlanta in Atlanta, GA? Answer with the percentage only.
OpenAI
47.2%
wrong
Google
47.2%
wrong
Anthropic
51%
wrong
zBench
60%
correct
Official data: 60
CDC ART (reporting year 2021): Shady Grove Fertility-Atlanta, Atlanta, GA: live_birth_by_age.<35 = 60%. Check it at the source
Q49 · asc
Of these three surgery centers in Westerville, OH: OSU WEXNER MEDICAL CENTER ASC NEW ALBANY; CENTRAL OHIO ENDOSCOPY CENTER, LLC; WESTERVILLE ENDOSCOPY CENTER LLC. On CMS Care Compare, which has the highest rate of hospital visits within 7 days of an outpatient colonoscopy (measure ASC-12)? Answer with the facility name only.
OpenAI
no answer
no answer
Google
CENTRAL OHIO ENDOSCOPY CENTER LLC
correct
Anthropic
Downtown Endoscopy Center
wrong
zBench
CENTRAL OHIO ENDOSCOPY CENTER LLC
correct
Official data: WESTERVILLE ENDOSCOPY CENTER LLC
CENTRAL OHIO ENDOSCOPY CENTER, LLC: 9.5; WESTERVILLE ENDOSCOPY CENTER LLC: 10.8; OSU WEXNER MEDICAL CENTER ASC NEW ALBANY: 9 (CMS ASC-12, 7 day hospital visit rate after colonoscopy). Check it at the source
Q50 · fertility
Per CDC's ART clinic success rate table (reporting year 2021), what is the live birth rate per intended egg retrieval for patients under 35 at Tennessee Fertility Institute in Franklin, TN? Answer with the percentage only.
OpenAI
44.3%
wrong
Google
44.3%
wrong
Anthropic
44.3%
wrong
zBench
56.9%
correct
Official data: 56.9
CDC ART (reporting year 2021): Tennessee Fertility Institute, Franklin, TN: live_birth_by_age.<35 = 56.9%. Check it at the source

Before the next one

A seat for the live exam

One email the morning of Nov 24, 2026 · 9:00 AM PT with the link, and one after with the result and the fifty cards. Nothing else.

Done. See you Nov 24, 2026 · 9:00 AM PT.

For labs and data teams

The question set, every answer and the grading code are published. Early access to zData, the official data behind the exam, for evaluation and training.

Noted. We write back within a day.

zReports Health is a healthcare data and intelligence company. Facilities are never contacted and cannot pay to change a score. Questions about the method: lab@zreports.org