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LOS ANGELES -- Planned cesarean sections could cut the risk of perinatal death of twins by 75%, according to a review of 8,073 twin births resulting in the delivery of 16,146 babies.
Most perinatal deaths were due to intrapartum anoxia during vaginal delivery of second-born twins. Second twins were five times more likely to die overall, and 21 times more likely to die of intrapartum anoxia, Gordon C.S. Smith, M.D., reported at the annual meeting of the Society for Gynecologic Investigation.
Six first-born twins and 30 second-born twins died at birth after 36 weeks' gestation in the study, which was based on data from two nationwide Scottish registries.
The study excluded antepartum stillbirths and perinatal deaths due to congenital abnormalities, said Dr. Smith, who is a professor of obstetrics and gynecology at Cambridge University in England.
Only two deaths of either twin occurred in 1,472 planned cesarean deliveries, whereas 34 deaths were recorded among 6,601 twin births by other means.
The odds ratio for perinatal death of either twin was 0.26 in the planned cesarean section group. Birth order made no difference in the deaths that occurred during cesarean deliveries.
Dr. Smith and associates calculated the mortality per thousand twin births as 1.4 for planned cesarean sections vs. 5.2 for deliveries by other means. He ...
Source: HighBeam Research, Planned C-section reduces second twin's risk.(News)