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Meconium: a marker for peripartum infection
J M Piper1, E R Newton, M D Berkus
1Department of Obstetrics and Gynecology, The University of Texas Health Science Center at San Antonio 78284-7836, USA.
Obstetrics and Gynecology
|May 8, 1998
Summary
Meconium-stained amniotic fluid (AF) significantly increases the risk of maternal and neonatal infections during childbirth. Thick meconium is particularly linked to higher rates of peripartum infection.
Area of Science:
- Obstetrics and Gynecology
- Maternal-Fetal Medicine
- Infectious Disease
Background:
- Meconium staining of amniotic fluid is a common finding during labor.
- The association between meconium-stained amniotic fluid and peripartum infection requires further investigation.
Purpose of the Study:
- To determine if meconium-stained amniotic fluid (AF) is associated with maternal and neonatal infection before and after delivery.
- To evaluate the impact of meconium thickness on infection risk.
Main Methods:
- Analysis of 936 laboring women for meconium presence and peripartum infection.
- Clinical assessment of meconium (thin, moderate, thick) and diagnosis of intra-amniotic infection and endometritis.
- Testing for vaginal group B streptococcus, bacterial vaginosis, and other aerobic organisms.
Main Results:
- Meconium-stained AF was observed in 28% of participants.
- Meconium presence correlated with increased intra-amniotic fluid infection, endometritis, and total infection rates.
- Thick meconium was associated with significantly higher infection rates (44%) compared to clear AF (13%).
Conclusions:
- Meconium-stained AF is an independent risk factor for increased peripartum infection.
- Thick meconium is particularly associated with a substantial rise in peripartum infectious morbidity.