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Don't Rule Out Vaginal Delivery for Twins: Study

No significant differences seen in results for mother, babies compared to C-section

WebMD News from HealthDay

By Serena Gordon

HealthDay Reporter

WEDNESDAY, Oct. 2 (HealthDay News) -- A vaginal delivery for women pregnant with twins may be just as safe as a planned cesarean-section delivery of the babies, a new study says.

In the hands of an experienced obstetrician, there are no differences in serious adverse events for babies or their mothers, the study found.

"Studies have suggested that maybe cesarean delivery is the best way, but there's no evidence to support the swing to cesarean birth. Perhaps the perception is that it's better for the baby," explained the study's lead author, Dr. Jon Barrett, chief of maternal-fetal medicine at Sunnybrook Health Sciences Center in Toronto, Canada.

Twins account for about 33 of every 1,000 births in the United States, according to the U.S. Centers for Disease Control and Prevention. The number of twin pregnancies has risen dramatically since the 1980s and 1990s because of assisted reproductive technologies.

The rate of cesarean delivery of twins has also increased, according to the study, published in the Oct. 3 issue of the New England Journal of Medicine. And Barrett said the "pendulum has swung too far to cesarean and now we may not have enough skilled practitioners to do these more difficult vaginal births."

To find out if cesarean birth offered any advantages over a planned vaginal delivery, Barrett and his colleagues recruited about 2,800 pregnant women from 25 countries. All were between 32 weeks and 38 weeks 6 days of gestation.

Elective delivery was planned between 37 weeks 5 days and 38 weeks 6 days of gestation. The babies were estimated to be at a healthy weight for their gestational age, and the first twin was in the head down position, which makes for an easier delivery.

About half of the women were scheduled to deliver vaginally, and the other half were scheduled for a cesarean-section. The women and babies were followed for 28 days after the birth to monitor for serious adverse outcomes, such as death or a serious problem with the baby, including spinal cord injury or signs of lung problems, according to the study. The researchers also looked for serious adverse events in the mothers.

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