Spring Fertility-Silicon Valley

550 Lakeside Dr, Sunnyvale, CA 94085 · (415) 964-5618

SART member · Verified lab accreditation

Ranked #112 of 361 rated clinics nationally · composite score 68.4/100 — how we evaluate clinics

Reported live-birth rate per intended egg retrieval, by patient age — CDC NASS 2022 Final ART Summary
0% 20% 40% 60% 80% Under 35: this clinic 52.3% (88 retrievals); national average 49.7% 52.3% Under 35 35–37: this clinic 37.7% (77 retrievals); national average 36.3% 37.7% 35–37 38–40: this clinic 24.2% (62 retrievals); national average 23.1% 24.2% 38–40 Over 40: this clinic 10.7% (56 retrievals); national average 7.7% 10.7% Over 40
View this chart as a table
Patient age This clinic Intended retrievals National average
Under 35 52.3% 88 49.7%
35–37 37.7% 77 36.3%
38–40 24.2% 62 23.1%
Over 40 10.7% 56 7.7%

Success rates vary with patient age, diagnosis, and clinic patient-selection practices; comparisons across clinics may not be meaningful (CDC).

Reported outcomes

Number of intended retrievals (<35)
88 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Number of intended retrievals (35-37)
77 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Number of intended retrievals (38-40)
62 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Number of intended retrievals (>40)
56 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Average number of intended retrievals per live-birth delivery (<35)
1.9 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Average number of intended retrievals per live-birth delivery (35-37)
2.7 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Average number of intended retrievals per live-birth delivery (38-40)
4.1 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Average number of intended retrievals per live-birth delivery (>40)
9.3 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Percentage of intended retrievals resulting in live-birth deliveries (<35)
52.3 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Percentage of intended retrievals resulting in live-birth deliveries (35-37)
37.7 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Percentage of intended retrievals resulting in live-birth deliveries (38-40)
24.2 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Percentage of intended retrievals resulting in live-birth deliveries (>40)
10.7 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Percentage of intended retrievals resulting in singleton live-birth deliveries (<35)
51.1 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Percentage of intended retrievals resulting in singleton live-birth deliveries (35-37)
36.4 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Percentage of intended retrievals resulting in singleton live-birth deliveries (38-40)
24.2 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Percentage of intended retrievals resulting in singleton live-birth deliveries (>40)
10.7 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Number of retrievals (<35)
85 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Number of retrievals (35-37)
70 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Number of retrievals (38-40)
57 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Number of retrievals (>40)
46 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Percentage of retrievals resulting in live-birth deliveries (<35)
54.1 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Percentage of retrievals resulting in live-birth deliveries (35-37)
41.4 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Percentage of retrievals resulting in live-birth deliveries (38-40)
26.3 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Percentage of retrievals resulting in live-birth deliveries (>40)
13 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Percentage of retrievals resulting in singleton live-birth deliveries (<35)
52.9 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Percentage of retrievals resulting in singleton live-birth deliveries (35-37)
40 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Percentage of retrievals resulting in singleton live-birth deliveries (38-40)
26.3 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Percentage of retrievals resulting in singleton live-birth deliveries (>40)
13 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Number of transfers (<35)
82 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Number of transfers (35-37)
48 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Number of transfers (38-40)
26 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Number of transfers (>40)
13 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Percentage of transfers resulting in live-birth deliveries (<35)
56.1 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Percentage of transfers resulting in live-birth deliveries (35-37)
60.4 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Percentage of transfers resulting in live-birth deliveries (38-40)
57.7 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Percentage of transfers resulting in live-birth deliveries (>40)
6/13 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Percentage of transfers resulting in singleton live-birth deliveries (<35)
54.9 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Percentage of transfers resulting in singleton live-birth deliveries (35-37)
58.3 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Percentage of transfers resulting in singleton live-birth deliveries (38-40)
57.7 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Percentage of transfers resulting in singleton live-birth deliveries (>40)
6/13 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Percentage of new patients having live-birth deliveries after 1 intended retrieval (<35)
56.2 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Percentage of new patients having live-birth deliveries after 1 intended retrieval (35-37)
38.2 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Percentage of new patients having live-birth deliveries after 1 intended retrieval (38-40)
17.5 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Percentage of new patients having live-birth deliveries after 1 intended retrieval (>40)
8.6 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Percentage of new patients having live-birth deliveries after 1 or 2 intended retrievals (<35)
60.3 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Percentage of new patients having live-birth deliveries after 1 or 2 intended retrievals (35-37)
50.9 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Percentage of new patients having live-birth deliveries after 1 or 2 intended retrievals (38-40)
30 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Percentage of new patients having live-birth deliveries after 1 or 2 intended retrievals (>40)
17.1 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Percentage of new patients having live-birth deliveries after all intended retrievals (<35)
63 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Percentage of new patients having live-birth deliveries after all intended retrievals (35-37)
52.7 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Percentage of new patients having live-birth deliveries after all intended retrievals (38-40)
37.5 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Percentage of new patients having live-birth deliveries after all intended retrievals (>40)
17.1 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Average number of intended retrievals per new patient (<35)
1.2 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Average number of intended retrievals per new patient (35-37)
1.4 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Average number of intended retrievals per new patient (38-40)
1.6 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Average number of intended retrievals per new patient (>40)
1.5 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Average number of transfers per intended retrieval (<35)
0.9 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Average number of transfers per intended retrieval (35-37)
0.6 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Average number of transfers per intended retrieval (38-40)
0.4 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Average number of transfers per intended retrieval (>40)
0.2 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Number of transfers (Fresh Embryos Fresh Eggs)
0 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Number of transfers (Fresh Embryos Frozen Eggs)
0 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Number of transfers (Frozen Embryos)
10 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Number of transfers (Donated Embryos)
— CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Percentage of transfers resulting in live-birth deliveries (Fresh Embryos Fresh Eggs)
0 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Percentage of transfers resulting in live-birth deliveries (Fresh Embryos Frozen Eggs)
0 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Percentage of transfers resulting in live-birth deliveries (Frozen Embryos)
6/10 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Percentage of transfers resulting in live-birth deliveries (Donated Embryos)
— CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Percentage of transfers resulting in singleton live-birth deliveries (Fresh Embryos Fresh Eggs)
0 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Percentage of transfers resulting in singleton live-birth deliveries (Fresh Embryos Frozen Eggs)
0 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Percentage of transfers resulting in singleton live-birth deliveries (Frozen Embryos)
6/10 — CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Percentage of transfers resulting in singleton live-birth deliveries (Donated Embryos)
— CDC NASS 2022, 2022 Success rates vary by patient age, diagnosis, and clinic patient-selection practices; comparisons between clinics may not be meaningful (CDC).
Total cycles (<35)
594 — CDC NASS 2022, 2022
Total cycles (35-37)
379 — CDC NASS 2022, 2022
Total cycles (38-40)
249 — CDC NASS 2022, 2022
Total cycles (>40)
182 — CDC NASS 2022, 2022
Total cycles (Total)
1404 — CDC NASS 2022, 2022
Percentage of intended egg retrieval cycles without any eggs retrieved (<35)
4.6 — CDC NASS 2022, 2022
Percentage of intended egg retrieval cycles without any eggs retrieved (35-37)
5.6 — CDC NASS 2022, 2022
Percentage of intended egg retrieval cycles without any eggs retrieved (38-40)
8.2 — CDC NASS 2022, 2022
Percentage of intended egg retrieval cycles without any eggs retrieved (>40)
13.7 — CDC NASS 2022, 2022
Percentage of intended egg retrieval cycles without any eggs retrieved (Total)
6.8 — CDC NASS 2022, 2022
Percentage of cycles discontinued after retrieval and before transfer or banking (<35)
4.9 — CDC NASS 2022, 2022
Percentage of cycles discontinued after retrieval and before transfer or banking (35-37)
6.6 — CDC NASS 2022, 2022
Percentage of cycles discontinued after retrieval and before transfer or banking (38-40)
9 — CDC NASS 2022, 2022
Percentage of cycles discontinued after retrieval and before transfer or banking (>40)
25.2 — CDC NASS 2022, 2022
Percentage of cycles discontinued after retrieval and before transfer or banking (Total)
8.5 — CDC NASS 2022, 2022
Percentage of cycles for fertility preservation (<35)
36.5 — CDC NASS 2022, 2022
Percentage of cycles for fertility preservation (35-37)
29.3 — CDC NASS 2022, 2022
Percentage of cycles for fertility preservation (38-40)
30.9 — CDC NASS 2022, 2022
Percentage of cycles for fertility preservation (>40)
9.3 — CDC NASS 2022, 2022
Percentage of cycles for fertility preservation (Total)
30.1 — CDC NASS 2022, 2022
Percentage of transfers using a gestational carrier (<35)
4.4 — CDC NASS 2022, 2022
Percentage of transfers using a gestational carrier (35-37)
2.4 — CDC NASS 2022, 2022
Percentage of transfers using a gestational carrier (38-40)
0 — CDC NASS 2022, 2022
Percentage of transfers using a gestational carrier (>40)
5.1 — CDC NASS 2022, 2022
Percentage of transfers using a gestational carrier (Total)
3.2 — CDC NASS 2022, 2022
Percentage of transfers using frozen embryos (<35)
98.9 — CDC NASS 2022, 2022
Percentage of transfers using frozen embryos (35-37)
98.4 — CDC NASS 2022, 2022
Percentage of transfers using frozen embryos (38-40)
100 — CDC NASS 2022, 2022
Percentage of transfers using frozen embryos (>40)
92.3 — CDC NASS 2022, 2022
Percentage of transfers using frozen embryos (Total)
98.3 — CDC NASS 2022, 2022
Percentage of transfers of at least 1 embryo with intracytoplasmic sperm injection (<35)
90.7 — CDC NASS 2022, 2022
Percentage of transfers of at least 1 embryo with intracytoplasmic sperm injection (35-37)
88.6 — CDC NASS 2022, 2022
Percentage of transfers of at least 1 embryo with intracytoplasmic sperm injection (38-40)
78.3 — CDC NASS 2022, 2022
Percentage of transfers of at least 1 embryo with intracytoplasmic sperm injection (>40)
79.5 — CDC NASS 2022, 2022
Percentage of transfers of at least 1 embryo with intracytoplasmic sperm injection (Total)
87.1 — CDC NASS 2022, 2022
Percentage of transfers of at least 1 embryo with preimplantation genetic testing (<35)
97.8 — CDC NASS 2022, 2022
Percentage of transfers of at least 1 embryo with preimplantation genetic testing (35-37)
98.4 — CDC NASS 2022, 2022
Percentage of transfers of at least 1 embryo with preimplantation genetic testing (38-40)
100 — CDC NASS 2022, 2022
Percentage of transfers of at least 1 embryo with preimplantation genetic testing (>40)
71.8 — CDC NASS 2022, 2022
Percentage of transfers of at least 1 embryo with preimplantation genetic testing (Total)
95.8 — CDC NASS 2022, 2022
Reason for ART: Male factor
9 — CDC NASS 2022, 2022
Reason for ART: Endometriosis
3 — CDC NASS 2022, 2022
Reason for ART: Tubal factor
2 — CDC NASS 2022, 2022
Reason for ART: Ovulatory dysfunction
7 — CDC NASS 2022, 2022
Reason for ART: Uterine factor
0.5 — CDC NASS 2022, 2022
Reason for ART: Preimplantation genetic testing
0.5 — CDC NASS 2022, 2022
Reason for ART: Diminished ovarian reserve
0.5 — CDC NASS 2022, 2022
Reason for ART: Egg or embryo banking
61 — CDC NASS 2022, 2022
Reason for ART: Recurrent pregnancy loss
5 — CDC NASS 2022, 2022
Reason for ART: Other factor, infertility
0.5 — CDC NASS 2022, 2022
Reason for ART: Other factor, non-infertility
59 — CDC NASS 2022, 2022
Reason for ART: Unexplained factor
21 — CDC NASS 2022, 2022
Reason for ART: Gestational carrier
0.5 — CDC NASS 2022, 2022