Is induced labour in the nullipara associated with more maternal and perinatal morbidity?
Summary of "Is induced labour in the nullipara associated with more maternal and perinatal morbidity?"
PURPOSE:
To ascertain any differences in foetomaternal outcomes in induced and spontaneous labour among nulliparous women delivering at term.
METHODS:
A retrospective matched cohort study consisting of 403 nulliparous women induced at ≥292 days and 806 nulliparous women with spontaneous labour at 285-291 days.
RESULTS:
Compared to those in spontaneous labour, women who had induction of labour were three times more likely to have a caesarean delivery (OR 3.1, 95% CI 2.4-4.1; P < 0.001). Women who had induction of labour were 2.2 times more likely to have oxytocin augmentation (OR 2.2, 95% CI 1.7-2.8; P < 0.001), 3.6 times more likely to have epidural anaesthesia (OR 3.6, 95% CI 2.8-4.6; P < 0.001), 1.7 times more likely to have uterine hyperstimulation (OR 1.7, 95% CI 1.1-2.6), 2 times more likely to have a suspicious foetal heart rate trace (OR 2.0, 95% CI 1.5-2.6), 4.1 times more likely to have blood loss over 500 ml (OR 4.1, 95% CI 2.9-5.5; P < 0.001), and 2.9 times more likely to stay in hospital beyond 5 days (OR 2.9, 95% CI 1.5-5.6; P < 0.001). Babies born to mothers who had induction of labour were significantly more likely to have an Apgar score of <5 at 5 min and an arterial cord pH of <7.0.
CONCLUSION:
Compared to those with spontaneous labour, nulliparous women with induced labours are more likely to have uterine hyperstimulation, caesarean delivery, and babies with low Apgar scores. Nulliparous women should be made aware of this, as well as potential risks of expectant management during counseling.
Affiliation
Department of Obstetrics and Gynaecology, Women and Children's Directorate, Barnet and Chase Farm Hospitals NHS Trust, Chase Farm Hospital, The Ridgeway, Enfield, UK, Dseloojeme@aol.com.
Journal Details
This article was published in the following journal.
Name: Archives of gynecology and obstetrics
ISSN: 1432-0711
Pages:
Links
- PubMed Source: http://www.ncbi.nlm.nih.gov/pubmed/20838800
- DOI: http://dx.doi.org/10.1007/s00404-010-1671-2
Medical and Biotech [MESH] Definitions
Pregnancy, High-risk
Pregnancy in which the mother and/or FETUS are at greater than normal risk of MORBIDITY or MORTALITY. Causes include inadequate PRENATAL CARE, previous obstetrical history (ABORTION, SPONTANEOUS), pre-existing maternal disease, pregnancy-induced disease (GESTATIONAL HYPERTENSION), and MULTIPLE PREGNANCY, as well as advanced maternal age above 35.
Perinatology
The branch of medicine dealing with the fetus and infant during the perinatal period. The perinatal period begins with the twenty-eighth week of gestation and ends twenty-eight days after birth. (From Dorland, 27th ed)
Immunity, Maternally-acquired
Resistance to a disease-causing agent induced by the introduction of maternal immunity into the fetus by transplacental transfer or into the neonate through colostrum and milk.
Maternal Mortality
Maternal deaths resulting from complications of pregnancy and childbirth in a given population.
Hyperthermia, Induced
Abnormally high temperature intentionally induced in living things regionally or whole body. It is most often induced by radiation (heat waves, infra-red), ultrasound, or drugs.
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