IVF Success Rates 2008

This data provides comprehensive information and success rates for all initiated IVF cycles at Shady Grove Fertility Reproductive Science Center between January 1, 2008 and December 31, 2008.*

Table 1: Summary (Fresh IVF Cycles)

Initiated Cycles ... ... ... ... 3743
Egg Retrievals (ER) ... ... ... ... 3306
Egg Transfers (ET) ... ... ... ... 3139
Clinical Pregnancies ... ... ... ... 1509
Miscarriages ... ... ... ... 232
Ongoing/Delivered Pregnancies ... ... ... ... 1277
Clinical Pregnancies per Initiated Cycle ... ... ... ... 40%
Clinical Pregnancies per Egg Retrieval ... ... ... ... 46%
Clinical Pregnancies per Embryo Transfer ... ... ... ... 48%
Ongoing/Delivery Rate per Initiated Cycle ... ... ... ... 34%
Ongoing/Delivery Rate per Egg Retrieval ... ... ... ... 39%
Ongoing/Delivery Rate per Embryo Transfer ... ... ... ... 41%

 Table 2a: IVF Results by Age (Fresh IVF Cycles)

Age Initiated Retrievals Transfers
<35 1415 1318 1240
35-37 954 855 828
38-40 866 721 693
>40 504 412 378

Table 2b: IVF Results by Age (Fresh IVF Cycles)

Age Clinical Pregnancy
(%ET)
Miscarriages Ongoing
(%ER)
<35 733 (59%) 73 660 (50%)
35-37 382 (46%) 59 323 (38%)
38-40 283 (41%) 61 222 (31%)
>40 111 (29%) 42 72 (18%)

Table 3a: Outcome by Cycle Number (Age < 40 years)

Cycle # Initiated Retrievals Transfers
1 1564 1410 1336
2 761 689 661
3 360 326 314
4 174 154 149
>4 108 94 88

Table 3b: Outcome by Cycle Number (Age < 40 years)

Cycle # Clinical Pregnancy
 
(%ET)
Miscarriages Ongoing
(%ER)
1 746 (57%) 100 664 (47%)
2 332 (50%) 39 293 (43%)
3 131 (42%) 20 111 (34%)
4 61 (41%) 12 49 (32%)
>4 38 (43%) 5 33 (35%)

 Table 4a: Frozen Embryo Transfer

Age Thaws Transfers
<35 246 231
35-37 180 164
38-40 145 130
>40 55 46
Total 626 571

Table 4b: Frozen Embryo Transfer

Age Clinical Pregnancy (%ET) Miscarriages Ongoing (%ER)
<35 93 (40%) 21 72 (29%)
35-37 63 (38%) 14 49 (27%)
38-40 39 (30%) 14 25 (27%)
>40 14 (30%) 5 9 (16%)
Total 209 (37%) 54 155 (25%)

 Table 5: Multiple Pregnancies

Age Pregnancies Singleton Twins Triplets
<35 697 478 (69%) 210 (30%) 8 (1%)
35-37 350 245 (70%) 95 (27%) 10 (3%)
38-40 250 177 (71%) 63 (25%) 10 (4%)
>40 88 65 (74%) 20 (23%) 3 (3%)

Table 6: eSET vs DET

  IVF Using Own Eggs IVF Using Donor Eggs
# Blastocyst Blast eSET 2 Blast ET Blast eSET 2 Blast ET
# Transfers 246 1044 62 223
% Preg/ET 61% 59% 61% 69%
% Multiples 2.0% 43% 5.3% 43%
% Triplets 0 1.8% 0 2.6%

*Numbers based on IVF Statistics from our lab located in Rockville, MD.