Pregnancy-induced hypertension and infant growth at 28 and 42 days postpartumReport as inadecuate




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BMC Pregnancy and Childbirth

, 5:10

First Online: 20 May 2005Received: 08 March 2005Accepted: 20 May 2005

Abstract

BackgroundNo previous studies have examined the effect of pregnancy-induced hypertension PIH on early infant growth. The objective was to study infant growth patterns of babies born to mothers with PIH at 28 and 42 days postpartum.

Methods: DesignWe conducted a population-based retrospective cohort study of 16,936 pregnancies delivered between January 1, 1989 through December 31, 1990 in Suzhou, China. PIH was classified as gestational hypertension, preeclampsia and severe preeclampsia. Infant Growth Percentage IGP was calculated as the weight gain from birth to infant weight at 28 or 42 days postpartum divided by the birth weight. Univariate analysis and multivariate linear regression were performed to compare the infant weight as well as IGP at 28 and 42 days postpartum between various types of PIH and the normotensive group.

ResultsInfant weights at 28 and 42 days postpartum were significantly lower in severe preeclampsia e.g., 4679.9 g at 42 days and preeclampsia e.g., 4763.8 g at 42 days groups than in the normotensive group e.g., 4869.1 g at 42 days, p < 0.01. However, there were no differences in IGP between groups. After stratifying by intrauterine growth restriction IUGR status, if babies were not intrauterine growth restricted, none of the PIH types showed a significantly lower weight at 28 and 42 days postpartum and their IGPs were similar to those of the reference group. When babies were growth restricted, all PIH groups showed significantly lower weights but higher IGP at 28 and 42 days postpartum as compared to the normotensive group.

ConclusionInfants born to mothers with PIH but without IUGR have normal early infant growth. IUGR secondary to PIH is associated with significant catch-up growth at 28 and 42 days postpartum.

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Author: Emmanuelle Baulon - William D Fraser - Bruno Piedboeuf - Pierre Buekens - Xu Xiong

Source: https://link.springer.com/



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