Delayed pushing with lumbar epidural analgesia in labour. 1983

M Maresh, and K H Choong, and R W Beard

Seventy-six primigravidae with epidural analgesia were randomly assigned to one of two groups for management in the second stage. In one group the women delayed pushing and in the other they were managed conventionally. The two groups were well matched for maternal and infant characteristics, including position and level of the presenting part at full dilatation and fetal scalp blood pH. The mean waiting time in the second stage before pushing was increased from 27 min in the conventional group to 123 min in the delayed group. This delay was not associated with an increase in abnormal fetal heart rate abnormalities or any decrease in umbilical cord pH or Apgar scores. In contrast, the delay was associated with an increase in spontaneous deliveries and a decrease in forceps deliveries (P = 0.06). These findings suggest a need for redefining the management of the second stage of labour with epidural analgesia.

UI MeSH Term Description Entries
D007743 Labor, Obstetric The repetitive uterine contraction during childbirth which is associated with the progressive dilation of the uterine cervix (CERVIX UTERI). Successful labor results in the expulsion of the FETUS and PLACENTA. Obstetric labor can be spontaneous or induced (LABOR, INDUCED). Obstetric Labor
D007748 Labor Stage, Second The period of OBSTETRIC LABOR that is from the complete dilatation of the CERVIX UTERI to the expulsion of the FETUS. Labor, Second Stage,Labor Stages, Second,Second Labor Stage,Second Labor Stages,Second Stage Labor,Stage, Second Labor,Stages, Second Labor
D011247 Pregnancy The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH. Gestation,Pregnancies
D005260 Female Females
D005312 Fetal Blood Blood of the fetus. Exchange of nutrients and waste between the fetal and maternal blood occurs via the PLACENTA. The cord blood is blood contained in the umbilical vessels (UMBILICAL CORD) at the time of delivery. Cord Blood,Umbilical Cord Blood,Blood, Cord,Blood, Fetal,Blood, Umbilical Cord,Bloods, Cord,Bloods, Fetal,Bloods, Umbilical Cord,Cord Blood, Umbilical,Cord Bloods,Cord Bloods, Umbilical,Fetal Bloods,Umbilical Cord Bloods
D005318 Fetal Heart The heart of the fetus of any viviparous animal. It refers to the heart in the postembryonic period and is differentiated from the embryonic heart (HEART/embryology) only on the basis of time. Fetal Hearts,Heart, Fetal,Hearts, Fetal
D006339 Heart Rate The number of times the HEART VENTRICLES contract per unit of time, usually per minute. Cardiac Rate,Chronotropism, Cardiac,Heart Rate Control,Heartbeat,Pulse Rate,Cardiac Chronotropy,Cardiac Chronotropism,Cardiac Rates,Chronotropy, Cardiac,Control, Heart Rate,Heart Rates,Heartbeats,Pulse Rates,Rate Control, Heart,Rate, Cardiac,Rate, Heart,Rate, Pulse
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D006863 Hydrogen-Ion Concentration The normality of a solution with respect to HYDROGEN ions; H+. It is related to acidity measurements in most cases by pH pH,Concentration, Hydrogen-Ion,Concentrations, Hydrogen-Ion,Hydrogen Ion Concentration,Hydrogen-Ion Concentrations
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults

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