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Vacuum associated with more dystocia than forceps.(Obstetrics)
RENO, NEVADA -- Forceps delivery is associated with more perineal tears than is vacuum delivery, but the vacuum is associated with more complications for the infant, including shoulder dystocia, Aaron B. Caughey, M.D., said at the annual meeting of the Society for Maternal-Fetal Medicine.
Dr. Caughey presented results of a review of 4,120 consecutive, operative, vaginal deliveries of singleton, term neonates at a University of California, San Francisco, hospital, and those results surprised him, he said during an interview.
His hypothesis at the start of the study was that he would see more shoulder dystocia in the neonates delivered with forceps, because doctors would choose the forceps for bigger babies. What he found, however, is consistent with another recent study, which looked at deliveries at many different institutions (Obstet. Gynecol. Surv. 2005;60:86-7).
In the study by Dr. Caughey and his colleagues at the university, shoulder dystocia occurred in 2% of the forceps deliveries, compared with 4% of the vacuum deliveries.
Cephalohematoma occurred in 4% of the forceps deliveries and 15% of the vacuum deliveries, Dr. Caughey wrote in a poster presentation.
On the maternal side, there was a difference in third- and fourth-degree perineal and cervical tears (37% for the forceps deliveries, versus 27% for the vacuum deliveries).
The study found no significant ...
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- LETTERS.
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Source: HighBeam Research, Vacuum associated with more dystocia than forceps.(Obstetrics)