October 19, 2007 / 10:15 PM / 12 years ago

Labor usually successful after c-section for twins

NEW YORK (Reuters Health) - Women who’ve undergone a c-section for a pregnancy with two or more infants can usually avoid this operation in future pregnancies with just one infant, according to a report in the journal Obstetrics & Gynecology.

“Given the progressive increase in (twin and triplet births) and the increasing frequency with which (these births) are delivered by cesarean, it is likely that this clinical situation will be encountered more frequently in coming years,” Dr. Michael W. Varner told Reuters Health.

Varner from the University of Utah, Salt Lake City, and colleagues compared the outcome of single-infant pregnancies among 944 women who had one prior c-section for a multi-infant pregnancy with the pregnancy outcome of 28,329 women who’d had one prior c-section for a single-infant pregnancy.

Labor was attempted by 59 percent of the women whose prior cesarean delivery was for a multiple pregnancy and by 47.5 percent of those whose previous cesarean delivery was for a single-infant pregnancy.

Women with a prior cesarean delivery for a multiple-fetus pregnancy who chose labor were more likely to have had a prior vaginal delivery than were similar women who chose to have an elective c-section.

The vaginal delivery rates in the two groups were 85.6 and 73.1 percent, respectively, the authors report.

Newborns of mothers who had a multiple-pregnancy c-section were less likely to require neonatal intensive care unit admission than newborns of mothers who had a single-pregnancy c-section.

“These data suggest that...labor remains a reasonable consideration for women pregnant with (a single infant) whose one previous cesarean delivery was for a (multi-infant) pregnancy,” the authors conclude.

SOURCE: Obstetrics and Gynecology, October 2007.

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