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Table 1 Basic obstetric information according to each treatment

From: Birth defects after assisted reproductive technology according to the method of treatment in Japan: nationwide data between 2004 and 2012

  Fresh embryo transfer FET
IVF ICSI
Total treatment cycles 526,567 673,148 584,731
Total number of transfers 258,660 313,161 551,417
Number of pregnancies 66,748 69,069 182,701
Number of abortions 15,451 17,215 46,163
Number of multiple pregnancies 6792 6203 10,978
Number of deliveries 43,657 44,106 120,127
Stillbirths 302 306 624
Live births 48,468 48,365 127,273
Birth defects
 Abortion 112 100 258
 Stillbirths 25 31 33
 Live births 509 579 1548
  1. IVF in vitro fertilization, ICSI intracytoplasmic sperm injection, FET frozen-thawed embryo transfer