Maternal and neonatal complications during delivery according to passive versus active second stage in woman with medical conditions (ComPActSS)

Background The incidence of serious complications during vaginal delivery with a passive second stage in women with medical conditions is unknown. Methods Our retrospective cohort study with matched groups (pairing 1 passive with 2 active second stage) included women who had a medical delivery plan from the high risk obstetric team at our center. The primary outcome was a composite of major maternal and neonatal complications. Results The primary outcome occurred in 50% (12/24) of women in the passive group versus 35.4% (17/48) (p = 0.24) in the active group. In the passive group, we observed a longer passive second stage of labor (28 vs. 8 min, p