Table 7. Clinical pregnancy rate, delivery rate and gestational order according to the number of embryos transferred in heterologous frozen/thawed embryo transfers in 2013.
Number of
transferred
embryos
Total ET CPR/ET Deliveries
Number % Total
(number)
DR/ET Singleton
(%)
Twin
(%)
≥Triplets
(%)
1 388 15.48 31.20% 87 22.42% 96.55 3.45 0.00
2 1,544 61.59 37.69% 477 30.89% 75.45 24.53 0.00
3 541 21.58 44.01% 203 37.52% 70.44 26.50 2.96
≥4 34 1.36 47.06% 11 32.35% 72.73 27.27 0.00
Total 2,507 100 38.17% 778 31.03% 76.48 22.75 0.77
ET= embryo transfers
CPR= clinical pregnancy rate
DR= delivery rate