title: Reasons for the increasing incidence of macrosomia in Harbin, China.
abstract: A population-based retrospective study was conducted in Harbin,China. The medical records of 13 711 singleton infants born between 2001 and 2005 in 16 hospitals were reviewed. The incidence of macrosomia (birthweight ≥4000 g) was found to have increased from 8.31% in 2001 to 10.50% in 2005. Over this period, the ponderal index decreased and birth length increased in infants with macrosomia. In a multivariate analysis, risk factors for delivery of a newborn with macrosomia were found to be high prepartal body mass index (BMI), maternal height ≥165 cm, male gender of the newborn, gestational age of 40-41.9 weeks, maternal age ≥30 years and a maternal diagnosis of hypertension. The increase in the incidence of macrosomia in Harbin was attributable to increases in maternal prepartal BMI, height and age in the population.
authors.affiliation: Department of Epidemiology, Public Health College, Harbin Medical University, Harbin, Heilongjiang Province, China.
authors.forename: C
authors.initials: C
authors.lastname: Bao
authors.forename: Y
authors.initials: Y
authors.lastname: Zhou
authors.forename: L
authors.initials: L
authors.lastname: Jiang
authors.forename: C
authors.initials: C
authors.lastname: Sun
authors.forename: F
authors.initials: F
authors.lastname: Wang
authors.forename: W
authors.initials: W
authors.lastname: Xia
authors.forename: F
authors.initials: F
authors.lastname: Han
authors.forename: Y
authors.initials: Y
authors.lastname: Zhao
authors.forename: L
authors.initials: L
authors.lastname: Wu
mesh_terms: D000328:Adult; D001724:Birth Weight; D015992:Body Mass Index; D002681:China / Q000453:epidemiology; D005260:Female; D005320:Fetal Macrosomia / Q000453:epidemiology*; D005865:Gestational Age; D006801:Humans; D015994:Incidence; D008297:Male; D011247:Pregnancy; D012189:Retrospective Studies; D012307:Risk Factors