PubMed · 4728751
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B Senior. 1973-10-11. Neonatal hypoglycemia.. https://doi.org/10.1056/nejm197310112891506
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BACKGROUND: Expectant management of the third stage of labour involves allowing the placenta to deliver spontaneously or aiding by gravity or nipple stimulation. Active management involves administration of a prophylactic oxytocic after delivery, early cord clamping and cutting, and controlled cord traction of the umbilical cord. OBJECTIVES: The objective of this review was to assess the effects of active versus expectant management on blood loss, post partum haemorrhage and other maternal and perinatal complications of the third stage of labour. SEARCH STRATEGY: We searched the Cochrane Pregnancy and Childbirth Group trials register. SELECTION CRITERIA: Randomised trials comparing active and expectant management of the third stage of labour in women with singleton pregnancies whose babies were presenting head first and who were expecting a vaginal delivery. DATA COLLECTION AND ANALYSIS: Trial quality was assessed and data were extracted independently by the reviewers. MAIN RESULTS: Four studies were included. Three of the trials were of good quality. Compared to expectant management, active management (in the setting of a maternity hospital) was associated with the following reduced risks: maternal blood loss (weighted mean difference -79.33 millilitres, 95% confidence interval -94.29 to -64. 37); post partum haemorrhage of more than 500 millilitres (odds ratio 0.34, 95% confidence interval 0.28 to 0.41); prolonged third stage of labour (weighted mean difference -3.40 minutes, 95% confidence interval -4.66 to -2.13). Active management was associated with an increased risk of maternal nausea (odds ratio 1. 95, 95% confidence interval 1.58 to 2.42), vomiting and raised blood pressure (probably due to the use of ergometrine). No advantages or disadvantages were apparent for the baby. REVIEWER'S CONCLUSIONS: Routine 'active management' is superior to 'expectant management' in terms of blood loss, post partum haemorrhage and other serious complications of the third stage of labour. Active managment is, however, associated with an increased risk of unpleasant side effects (eg nausea and vomiting), and hypertension, where ergometrine is used. Active management should be the routine management of choice for women expecting a single baby by vaginal delivery in a maternity hospital. The implications are less clear for other settings including domiciliary practice (in developing and industrialised countries).
BACKGROUND: Perinatal mortality and morbidity is increased in pregnancies of more than 42 weeks that are otherwise low risk. OBJECTIVES: The objective of this review was to assess the effects of interventions aimed at either reducing the incidence or improving the outcome of post-term pregnancy. SEARCH STRATEGY: The Cochrane Pregnancy and Childbirth Group trials register was searched. SELECTION CRITERIA: Randomised and quasi-randomised trials of interventions involving the intention to induce labour at a specified gestational age. DATA COLLECTION AND ANALYSIS: Eligibility and trial quality were assessed by one reviewer. Study authors were contacted for additional information. MAIN RESULTS: Twenty-six trials of variable quality were included. There were four trials of routine early pregnancy ultrasound, two of nipple stimulation, nineteen of routine versus selective induction of labour and one of antenatal fetal monitoring. Routine early pregnancy ultrasound reduced the incidence of post-term pregnancy (odds ratio 0.68, 95% confidence interval 0.57 to 0.82). Breast and nipple stimulation at term did not affect the incidence of post-term pregnancy (odds ratio 0.52, 95% confidence interval 0.28 to 0.96). Routine induction of labour reduced perinatal mortality (odds ratio 0.20, 95% confidence interval 0.06 to 0.70). This benefit is due to the effect of induction of labour after 41 weeks. Routine induction of labour had no effect on caesarean section. REVIEWER'S CONCLUSIONS: Routine early pregnancy ultrasound examination and subsequent adjustment of delivery date appear to reduce the incidence of post-term pregnancy. Routine induction of labour after 41 weeks gestation appears to reduce perinatal mortality. There is not enough evidence to evaluate the effects of breast and nipple stimulation, or tests of fetal wellbeing.