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For several years in French labour wards, delivery in the lateral decubitus position (LP) has raised great interest. We wanted to assess perineal outcomes and neonatal morbidity following delivery in the lateral LP compared to the dorsal decubitus position (DP).Two teams of midwives, in a private and in a public hospital, performed a total of 6800 deliveries in the area of Tours following a training session on the techniques of delivery in the lateral decubitus position. The design was a retrospective case-control study including patients with low obstetrical risks and normal vaginal delivery. We included 645 patients who gave birth from May 1st to September 30th, 2007.We showed a significant difference in perineum outcomes, with a lower episiotomy rate (56.7% in LP/40.7% in DP, P=0.0001), a higher rate of intact perineum (56.7% in LP/40.7% in DP, P=0.0001) and no differences with respect to perineal laceration. These differences were significant in primiparous (intact perineum: 46.8% in LP/20.2% in DP, P=0.004; episiotomy: 17% en DL/44.7% en DD, P=0.006) and secondiparous patients (episiotomy: 8.6% in LP/30.7% in DP, P=0.0001). We showed significant differences in fetal heart abnormalities during labour in favour of the lateral decubitus position (no anomaly, P=0.00004; separated decrease, P=0.04; bradycardia, P=0.0009; early decrease, P=0.04).The neonatal mortality and morbidity did not differ between delivery positions. The lateral position seems to be protective for the perineum without affecting neonatal outcome. Incorporating lateral decubitus deliver into daily practice is possible in large groups of midwives after appropriate training. |
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