Spring Fertility-Silicon Valley
550 Lakeside Dr
Sunnyvale, CA 94085
(415) 964-5618
SART member Accredited lab Donor eggsDonated embryosEgg freezingEmbryo freezingGestational carriers
Clinic details
| Medical director | Nam D. Tran, MD, PHD |
|---|---|
| Status | Open |
| ART cycles (2022) | 1,404 |
| Pregnancies (2022) | 275 |
| Live-birth deliveries (2022) | 197 |
| Infants born (2022) | 200 |
| Fertility preservation cycles | 422 |
CDC success rates (2022)
Source: CDC National ART Surveillance System, 2022 final data.
The CDC cautions that comparing clinics may not be meaningful because of differences in
patient populations — these figures describe the clinic's reported patients, not your personal
chances. How to read success rates.
Patients using their own eggs
| Measure | <35 | 35–37 | 38–40 | >40 |
|---|---|---|---|---|
| Live-birth deliveries per intended egg retrieval | 52.3% | 37.7% | 24.2% | 10.7% |
| Live-birth deliveries per embryo transfer | 56.1% | 60.4% | 57.7% | — |
| Singleton live-birth deliveries per transfer | 54.9% | 58.3% | 57.7% | — |
Patients using donor eggs or embryos
| Measure | Donated embryos | Fresh embryos, fresh donor eggs | Fresh embryos, frozen donor eggs | Frozen embryos |
|---|---|---|---|---|
| Live-birth deliveries per embryo transfer (donor eggs/embryos) | — | — | — | — |
| Singleton live-birth deliveries per transfer (donor) | — | — | — | — |
Patient & cycle characteristics (2022)
| Measure | Breakdown | Value |
|---|---|---|
| Cycles using donor eggs or embryos | 35-37 | 0.0% |
| 38-40 | 0.4% | |
| <35 | 0.3% | |
| >40 | 6.0% | |
| Cycles used for fertility preservation | 35-37 | 29.3% |
| 38-40 | 30.9% | |
| <35 | 36.5% | |
| >40 | 9.3% | |
| Transfers using a gestational carrier | 35-37 | 2.4% |
| 38-40 | 0.0% | |
| <35 | 4.4% | |
| >40 | 5.1% | |
| Transfers using ICSI | 35-37 | 88.6% |
| 38-40 | 78.3% | |
| <35 | 90.7% | |
| >40 | 79.5% | |
| Cycles using own eggs and embryos | 35-37 | 40.9% |
| 38-40 | 34.5% | |
| <35 | 35.9% | |
| >40 | 44.0% | |
| Ages of patients using ART | 35-37 | 27.0% |
| 38-40 | 17.7% | |
| <35 | 42.3% | |
| >40 | 13.0% | |
| Transfers using preimplantation genetic testing (PGT) | 35-37 | 98.4% |
| 38-40 | 100.0% | |
| <35 | 97.8% | |
| >40 | 71.8% | |
| Transfers using a single embryo | 35-37 | 99.2% |
| 38-40 | 98.3% | |
| <35 | 99.5% | |
| >40 | 84.6% |
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