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2012 SART Success Rates

Type of Cycle Age of Woman
Fresh Embryos from Nondonor Eggs <35 35-37 38-40 41-42 >42
Number of cycles 186 83 95 38 26
Percentage of cycles resulting in pregnancies 31.7 33.7 21.1 10.5 0
Percentage of cycles resulting in live births 28.5 25.3 18.9 7.9 0
(Reliability range) (22.0 - 35.0) (15.9 - 34.7) (11.1 - 26.8) (0 - 16.5) (0 - 100)
Percentage of retrievals resulting in live births 31.9 26.9 24.3 9.4 0/17
Percentage of transfers resulting in live births 47.3 33.3 31.6 12.5 0/10
Percentage of cycles with elective single embryo transfer 10.7 6.3 3.5 8.3 0/10
Percentage of cancellations 10.8 6.0 22.1 15.8 34.6
Implantation rate 34.6 27.6 21.1 6.8 0/17
Average number of embryos transferred 1.9 2.0 2.2 2.5 1.7
Percentage of live births with twins 30.2 33.3 6/18 0/3 0/0
Percentage of live births with triplets or more 0 0 0/18 0/3 0/0
Thawed Embryos from Non-Donor Oocytes
Number of transfers 170 78 49 21 2
Percentage of transfers resulting in live births 54.7 59.0 46.9 23.8 0/2
Average number of embryos transferred 1.7 1.6 1.7 1.6 2.5
           
Donor Oocytes All Ages
Fresh Embryos Thawed Embryos
Number of transfers 53 44
Percentage of transfers resulting in live births 60.4 43.2
Average number of embryos transferred 1.8 1.6

A comparison of clinic success rates may not be meaningful because patient medical characteristics, treatment approaches, and entrance criteria for ART may vary from clinic to clinic.