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  • Title: [Correlation of maternal serum and amniotic fluid leptin and insulin levels with neonatal birth weight].
    Author: Perlitz Y, Gtezer-Soltzman S, Peleg A, Lang N, Almog B, Ben-Ami M.
    Journal: Harefuah; 2009 Jul; 148(7):420-3, 477. PubMed ID: 19848325.
    Abstract:
    BACKGROUND: Numerous studies correlated maternal serum and fetal cord Leptin Levels in pregnancy with new born weight (NBW) and maternal body mass index (BMI). However, there are only a few published studies concerning amniotic fluid leptin and its possible relationship to fetal growth and NBW. OBJECTIVES: To correlate leptin and insulin in amniotic fluid and maternal serum collected at 16-20 gestational weeks to NBW. METHODS: This was an observational study in which maternal serum Leptin, insulin, and amniotic fluid Leptin and insulin, studied from 70 healthy pregnant women undergoing amniocentesis for karyotyping, at 16-20 weeks gestation. NBW was correlated with maternal BMI and leptin and insulin Levels in maternal serum and amniotic fluid. RESULTS: Maternal serum leptin was detected as the best predictor of NBW. Squared correlation coefficient, r2 = 0.09, was statistically significant (P < 0.01). Maternal BMI correlated significantly with serum Levels of insulin and leptin r2 = 0.16 and 0.27 respectively, P < 0.01. CONCLUSION: In normal pregnancies, amniotic fluid Leptin correlates partially with NBW. Maternal serum leptin correlates significantly with NBW.
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