Maternal and perinatal outcome in women with threatened miscarriage in the first trimester: a systematic review

BJOG : an International Journal of Obstetrics and Gynaecology
L SaraswatSohinee Bhattacharya

Abstract

Threatened miscarriage is a common complication in the first trimester of pregnancy and is often associated with anxiety regarding pregnancy outcome. We undertook a systematic review to explore the effects of threatened miscarriage in the first trimester on maternal and perinatal outcomes. An electronic literature search using MEDLINE and EMBASE, and bibliographies of retrieved primary articles. No language restrictions were applied. All studies analysing outcomes of first-trimester bleeding where viability was confirmed on ultrasound or the pregnancy continued beyond viability. Two review authors independently selected studies and extracted data on study characteristics, quality and accuracy. Meta-analysis was performed using Review Manager software. The outcome was broadly categorised into maternal and perinatal outcomes. The chief maternal outcomes included pre-eclampsia/eclampsia or pregnancy-induced hypertension, antepartum haemorrhage, preterm prelabour rupture of membranes (PPROM) and mode of delivery. The perinatal outcomes evaluated were preterm delivery, low birthweight, intrauterine growth restriction, perinatal mortality, indicators of perinatal morbidity (Apgar scores and neonatal unit admission) and presence of co...Continue Reading

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