Management of abnormal fetal heart rate in the second stage of labor / 中华妇产科杂志

ABSTRACT

Objective We investigated the correlations between abnormal fetal heart rate (FHR) during the second stage of labor and delivery types and intrapartum maternal complications and fetal outcome Methods The data of 232 nulliparas with single vertex in the second stage of labor (111 cases with normal FHR, 121 cases with abnormal FHR) were analyzed retrospectively Results The incidence of abnormal FHR in the second stage of labor was 52 2%(121/232) The patterns of abnormal FHR included 81 (66 9%) cases with moderate and/or severe variable deceleration (VD), 27 (22 3%) cases with scattered late deceleration (LD), only one with continuous LD, 4 (3 3%) cases prolonged deceleration (PD), 2 (1 7%) cases with VD and LD, 3 (2 5%) cases with VD and PD, 4 (3 3%) cases with diminished baseline variability There were 13 (11 7%) among the cases with normal FHR and 35 (28 9%) among the cases with abnormal FHR underwent assistant delivery operations (forceps or/and vaccum), respectively ( P