IVF Success Rates

This data provides comprehensive information and success rates for all initiated IVF cycles at Shady Grove Fertility Reproductive Science Center between January 1, 2007 and December 31, 2007.

Table 1: Summary (Fresh IVF Cycles)

Initiated Cycles ... ... ... ... 3524
Egg Retrievals (ER) ... ... ... ... 3051
Egg Transfers (ET) ... ... ... ... 2923
Clinical Pregnancies ... ... ... ... 1392
Miscarriages ... ... ... ... 224
Ongoing/Delivered Pregnancies ... ... ... ... 1168
Clinical Pregnancies per Initiated Cycle ... ... ... ... 50%
Clinical Pregnancies per Egg Retrieval ... ... ... ... 46%
Clinical Pregnancies per Embryo Transfer ... ... ... ... 48%
Ongoing/Delivery Rate per Initiated Cycle ... ... ... ... 33%
Ongoing/Delivery Rate per Egg Retrieval ... ... ... ... 38%
Ongoing/Delivery Rate per Embryo Transfer ... ... ... ... 40%

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

Age Initiated Retrievals Tansfers
<35 1378 1259 1204
35-37 911 783 758
38-40 796 669 635
>40 439 340 326

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

Age Clinical Pregnancy
(%ET)		 Miscarriages Ongoing
(%ER)
<35 656 (55%) 76 580 (46%)
35-37 372 (49%) 60 312 (40%)
38-40 269 (42%) 55 214 (32%)
>40 95 (29%) 33 62 (18%)

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

Cycle # Initiated Retrievals Tansfers
1 1537 1360 1306
2 662 581 564
3 357 311 292
4 176 154 145
>4 125 119 116

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

Cycle # Clinical Pregnancy
 (%ET)		 Miscarriages Ongoing
(%ER)
1 716 (55%) 97 619 (46%)
2 269 (48%) 40 229 (39%)
3 146 (50%) 21 125 (40%)
4 67 (46%) 15 52 (34%)
>4 37 (32%) 6 31 (18%)

 Table 4a: Frozen Embryo Transfer

Age Thaws Transfers
<35 231 221
35-37 166 149
38-40 126 114
>40 38 35
Total 561 519

Table 4b: Frozen Embryo Transfer

Age Clinical Pregnancy (%ET) Miscarriages Ongoing (%ER)
<35 82 (37%) 11 71 (32%)
35-37 43 (29%) 7 35 (23%)
38-40 26 (23%) 7 19 (17%)
>40 9 (26%) 2 7 (20%)
Total 160 (31%) 27 133 (26%)

 Table 5: Multiple Pregnancies

Age Pregnancies Singleton Twins Triplets
<35 622 436 (70%) 177 (29%) 9 (1%)
35-37 351 245 (70%) 99 (28%) 7 (2%)
38-40 234 178 (76%) 50 (21%) 6 (3%)
>40 71 53 (74%) 14 (20%) 5 (6%)

Table 6: eSET vs DET

  IVF Using Own Eggs IVF Using Donor Eggs
# Blastocyst Blast eSET 2 Blast ET Blast eSET 2 Blast ET
# Cycles 253 711 81 122
% Preg/ET 67% 66% 58% 71%
% Multiples 1.2% 42% 2% 55%