Northern California Fertility Medical Center
2007 (January – June) Success Rates - Clinical Pregnancy Rate per Embryo Transfer (CPR*/ET)
In Vitro Fertilization - Nondonor Eggs (All cycles: blastocyst and non-blastocyst transfers)
(237 retrievals, 226 transfers)
Age Groups CPR/ET Singles Twins Triplets Average # transferred
< 35 51% (41/80) 14/34 (41%) 17/34 (50%) 3/34 (9%)   (7 pending) 2.5
35 – 37 57% (20/35) 14/19 (74%) 3/19 (16%) 2/19 (10%) (1 pending) 2.4
38 – 40 46%(22/48) 17/19 (89%) 2/19 (11%) 0/19 (0%)   (3 pending) 2.9
41 - 42 5% (1/21) 0/1 (0%) 1/1 (100%) 0/1 (0%) 2.9
> 42 31% (4/13) 2/2 (100%) 0/2 (0%) 0/2 (0%)     (2 pending) 3.5
In Vitro Fertilization - Nondonor Eggs (Day 5 Blastocyst transfers)
Age Groups CPR/ET Singles Twins Triplets Average # transferred
< 35 46% (13/28) 5/10 (50%) 5/10 (50%) 0/10 (0%) (3 pending)          1.8
35 – 37 50% (6/12  3/6 (50%) 1/6 (17%) 2/6 (33%) 2.1
38 – 40 55%  (6/11) 3/4 (75%) 1/4 (25%) 0/4  (0%) (2 pending) 2.0
41 - 42 0% (0/1) n/a n/a n/a 4.0
> 42 50%  (1/2) 1/1 (100%)  0/1 (0%)  0/1 (0%) 3.0
In Vitro Fertilization - Nondonor Eggs (Day 3 Non-Blastocyst transfers)
Age Groups CPR/ET Singles Twins Triplets Average # transferred
< 35 54%  (28/52) 9/24 (38%) 12/24 (50%) 3/24 (12%) (3 pending)        2.8
35 – 37 61%  (14/23) 11/13 (85%) 2/13 (15%)  0/13 (0%) (1 pending) 2.7
38 – 40 43% (16/37) 14/15 (93%) 1/15 (7%)  0/15 (0%) (1 pending) 3.2
41 - 42 5%  (1/20) 1/1 (100%) 0/1 (0%) 0/1 (0%) 2.8
> 42 27%   (3/11) 1/1 (100%)  0/1 (0%) 0/1 (0%)  3.6
In Vitro Fertilization - Donor Eggs (28 retrievals, 28 transfers)
All cycles: CPR/ET Singles Twins Triplets Average # transferred
54%(15/28) 4/12 (33%) 7/12  (58%)  1/12 (8%) (3 pending) 2.4
Day 5: 70%  (7/10)  1/5 (20%) 4/5    (80%)   0/5 (0%)  (2 pending)  2.0
Day 3: 44% (8/18) 3/7 (43%) 3/7     (43%)  1/7 (14%) (1 pending)

2.6
Non-shared:  52% (12/23) 
Shared:  60% (3/5)
In Vitro Fertilization - Gestational Carriers(all fresh embryo transfers)(3 transfers)
All cycles: CPR/ET Singles Twins Triplets Average # transferred
67% (2/3) 0/2 2/2 (100%) 0/2 2.0
Frozen/Thawed Embryo Transfers (83 transfers)
Age Groups CPR/ET Singles Twins Triplets Average # transferred
< 35 31%  (12/39) 16/22 (73%) 6/22 (27%) 0/22 2.4
35 – 37 31% (5/16) 6/8 (75%) 2/8 (25%) 0/8 2.5
38 – 40 39% (5/13) 3/5 (60%) 2/5 (40%) 0/5 2.5
41 - 42  0% (0/4) 1/2 (50%) 1/2 (50%) 0/2 2.3
>42 0%  (0/1) n/a n/a n/a 1.0
Total: 27% (20/73) 15/19       (80%)   1/19 (5%) 3/19 (16%) 2.3
Donor Eggs – includes two surrogate/donor egg embryo transfers
All cycles: CPR/ET Singles Twins Triplets Average # transferred
30%(15/43) 2/3 (67%)  1/3 (33%) 0/0 2.1
Gestational Carriers
All cycles: CPR/ET Singles Twins Triplets Average # transferred
0%(1/4) n/a  n/a n/a 2.3          
Donor Embryos
All cycles: CPR/ET Singles Twins Triplets Average # transferred
 0 Transfers n/a n/a n/a n/a