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Impact of pregnancy-induced hypertension on birthweight by gestational age.
Paediatr Perinat Epidemiol. 2004 May; 18(3):186-91.PP

Abstract

Few studies to date have examined the effect of severe pre-eclampsia, pre-eclampsia, and gestational hypertension on birthweight according to gestational age. We conducted a population-based retrospective cohort study of 16,936 pregnant women in Suzhou, China. Analysis of variance and multivariable linear regression were performed to compare the mean birthweights of babies born to mothers with gestational hypertension, pre-eclampsia, and severe pre-eclampsia with birthweights of infants born to mothers with normal blood pressure at each week of gestation. The differences in mean birthweight between women with severe pre-eclampsia and women with normal blood pressure ranged between -467.7 g and 189.1 g. The birthweights were statistically significantly lower in women with severe pre-eclampsia than in women with normal blood pressure for gestational age categories < or = 35 and 36 weeks. However, after adjustment for confounding variables, the birthweights were not statistically significantly different in women with severe pre-eclampsia when compared with women with normal blood pressure even at < or = 35 and 36 weeks. The differences in mean birthweight between women with pre-eclampsia and women with normal blood pressure ranged between -132.2 g and 174.6 g. These differences were not statistically significant, before or after adjusting for confounding variables. There were no differences in mean birthweight between women with gestational hypertension and women with normal blood pressure. Further analysis suggested that pre-eclampsia and gestational hypertension were associated with increased rates of both small-for-gestational-age and large-for-gestational-age infants. The majority of the babies born to mothers with different types of pregnancy-induced hypertension were appropriate-for-gestational-age or even large-for-gestational-age. In this Chinese population, most babies born to mothers with severe pre-eclampsia or pre-eclampsia and gestational hypertension had similar fetal growth to those born to normotensive mothers.

Authors+Show Affiliations

Department of Obstetrics and Gynecology, University of Montreal, Quebec, Canada. xxiong@tulane.eduNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

15130157

Citation

Xiong, Xu, and William D. Fraser. "Impact of Pregnancy-induced Hypertension On Birthweight By Gestational Age." Paediatric and Perinatal Epidemiology, vol. 18, no. 3, 2004, pp. 186-91.
Xiong X, Fraser WD. Impact of pregnancy-induced hypertension on birthweight by gestational age. Paediatr Perinat Epidemiol. 2004;18(3):186-91.
Xiong, X., & Fraser, W. D. (2004). Impact of pregnancy-induced hypertension on birthweight by gestational age. Paediatric and Perinatal Epidemiology, 18(3), 186-91.
Xiong X, Fraser WD. Impact of Pregnancy-induced Hypertension On Birthweight By Gestational Age. Paediatr Perinat Epidemiol. 2004;18(3):186-91. PubMed PMID: 15130157.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Impact of pregnancy-induced hypertension on birthweight by gestational age. AU - Xiong,Xu, AU - Fraser,William D, PY - 2004/5/8/pubmed PY - 2004/7/16/medline PY - 2004/5/8/entrez SP - 186 EP - 91 JF - Paediatric and perinatal epidemiology JO - Paediatr Perinat Epidemiol VL - 18 IS - 3 N2 - Few studies to date have examined the effect of severe pre-eclampsia, pre-eclampsia, and gestational hypertension on birthweight according to gestational age. We conducted a population-based retrospective cohort study of 16,936 pregnant women in Suzhou, China. Analysis of variance and multivariable linear regression were performed to compare the mean birthweights of babies born to mothers with gestational hypertension, pre-eclampsia, and severe pre-eclampsia with birthweights of infants born to mothers with normal blood pressure at each week of gestation. The differences in mean birthweight between women with severe pre-eclampsia and women with normal blood pressure ranged between -467.7 g and 189.1 g. The birthweights were statistically significantly lower in women with severe pre-eclampsia than in women with normal blood pressure for gestational age categories < or = 35 and 36 weeks. However, after adjustment for confounding variables, the birthweights were not statistically significantly different in women with severe pre-eclampsia when compared with women with normal blood pressure even at < or = 35 and 36 weeks. The differences in mean birthweight between women with pre-eclampsia and women with normal blood pressure ranged between -132.2 g and 174.6 g. These differences were not statistically significant, before or after adjusting for confounding variables. There were no differences in mean birthweight between women with gestational hypertension and women with normal blood pressure. Further analysis suggested that pre-eclampsia and gestational hypertension were associated with increased rates of both small-for-gestational-age and large-for-gestational-age infants. The majority of the babies born to mothers with different types of pregnancy-induced hypertension were appropriate-for-gestational-age or even large-for-gestational-age. In this Chinese population, most babies born to mothers with severe pre-eclampsia or pre-eclampsia and gestational hypertension had similar fetal growth to those born to normotensive mothers. SN - 0269-5022 UR - https://www.unboundmedicine.com/medline/citation/15130157/Impact_of_pregnancy_induced_hypertension_on_birthweight_by_gestational_age_ L2 - https://onlinelibrary.wiley.com/resolve/openurl?genre=article&amp;sid=nlm:pubmed&amp;issn=0269-5022&amp;date=2004&amp;volume=18&amp;issue=3&amp;spage=186 DB - PRIME DP - Unbound Medicine ER -