Medical Disclaimer: This data is for informational purposes only. Success rates are influenced by patient age, diagnosis, and treatment type. Do not use this data alone to choose a fertility clinic. Consult a board-certified reproductive endocrinologist.
CDC NASS 2022 · San Juan, PR
GREFI, Gynecology, Reproductive Endocrinology & Fertility Institute
GREFI, Gynecology, Reproductive Endocrinology & Fertility Institute reported ART cycle outcomes to the CDC in San Juan, Puerto Rico (NASS 2022). Live-birth rates by age group, services, and three-year trends are below.
- 16.4%
- Overall live birth
- 26.3%
- Under 35
- 155
- Cycles · 2022
- 22.8%
- Single-embryo transfer
GREFI, Gynecology, Reproductive End… in the ART cycle neighbourhood
The short answer
GREFI, Gynecology, Reproductive End… sits in the bottom quartile nationally among CDC-reporting clinics on overall live-birth rate.
According to CDC National ART Surveillance System (NASS) 2022 filings, GREFI, Gynecology, Reproductive Endocrinology & Fertility Institute in San Juan, PR reported ART cycle outcomes to the CDC. Compare this clinic inside one CDC age band against peers; overall rates mix ages and case mix and are not a treatment recommendation.
Clinic verdict · CDC NASS 2022
GREFI, Gynecology, Reproductive Endocrinology & Fertility Institute's overall live-birth rate sits in the bottom quartile nationally. For patients under 35 it runs 22 points below the national mean. Age remains the strongest driver; compare bands and state context below.
Clinic Confidence Score
PlainFertility's own weighted composite, not a CDC figure: live-birth rate 50%, reported cycle volume 25% and single-embryo-transfer share 25%, each scored against the tracked clinic corpus. It is not a ranking of every fertility outcome or a substitute for consulting the clinic directly about your own case. How the score is built.
Where GREFI, Gynecology, Reproductive Endocrinology & Fertility Institute sits among U.S. clinics
Overall CDC live-birth-rate band (%), 406 reporting clinics
This clinic
This clinic
SET adherence vs national reference
Single-embryo-transfer rate is an ASRM-aligned safety metric, higher SET reduces multi-pregnancy and OHSS risk.
Share of transfers using one embryo only
Success Rates by Age Group
Using own eggs (fresh + frozen cycles). The CDC publishes a single combined bracket for patients over 40 in this table, so that is what is shown here.
Success rate = live births per ART cycle started. Source: CDC NASS 2022.
Cycle Breakdown
The reported ART cycles, split into fresh and frozen transfers.
- Fresh Cycles
- 124
- Frozen Cycles
- 31
- Years Reporting
- 3
Services Available
- × Donor Egg Available
- × Gestational Carrier
Historical Success Rates
| Year | Total Cycles | Overall | Under 35 | 35–37 | 38–40 | Over 40 |
|---|---|---|---|---|---|---|
| 2022 | 155 | 16.4% | 26.3% | 16.0% | 9.7% | N/A |
| 2021 | 170 | 15.7% | 18.2% | N/A | 10.7% | N/A |
| 2020 | 129 | N/A | N/A | N/A | N/A | N/A |
Nationwide clinics with similar CDC profiles
Two cross-state peer sets for GREFI, Gynecology, Reproductive Endocrinology & Fertility Institute. Same-state rate peers stay in the Read-with list below; these neighborhoods are nearest other-state clinics by published CDC totals (cycle floor ≥100).
Similar overall live-birth rate
Nearest clinics by overall live-birth rate, outside PR.
Similar ART cycle volume
Nearest clinics by reported ART cycles, excluding the rate-peer set.
Data source: CDC National ART Surveillance System (NASS). PlainFertility is not affiliated with the CDC or this clinic.
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainFertility is rendered directly from CDC National ART Surveillance System source data, no number is typed in by an editor. This page draws directly on CDC National ART Surveillance System source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, every correction we have published, or report a data error on this page.