ASTONISHING FERTILITY FROM A SINGLE OOCYTE RECOVERY

A 36 year old patient underwent in-vitro fertilization (IVF) and embry o transfer Three embryos were transferred to her uterus and eight spar e embryos were cryopreserved. The patient conceived a quadruplet pregn ancy and delivered two boys and two identical twin girls by Caesarean section at 30 weeks gestation, The couple subsequently donated their c ryopreserved embryos to the embryo donation programme for the use of o ther couples. Two agonadal patients received these cryopreserved-thawe d embryos, each in a hormone replacement cycle, Both conceived, one ha s safely delivered twins and the other conceived a twin pregnancy, one of the fetuses has vanished and the other is progressing normally, Th e overall embryo implantation rate was seven out of nine (78%).