Korean J Obstet Gynecol.  2011 Oct;54(10):575-581. 10.5468/KJOG.2011.54.10.575.

An association of gestational weight gain and prepregnancy body mass index with perinatal outcomes

Affiliations
  • 1Department of Obstetrics and Gynecology, Han-il Hospital, Seoul, Korea. stodra@hanmail.net

Abstract


OBJECTIVE
To investigate an association of gestational weight gain (GWG) and prepregnancy body mass index (BMI) with perinatal outcomes.
METHODS
The sample included 3,428 Korean patients who had uncomplicated singleton term pregnancy from 2001 to 2009. The patients were categorized into four groups according to prepregnancy BMI; underweight (< 18.5 kg/m2), normal weight (18.5-22.9 kg/m2), overweight (23.0-24.9 kg/m2) and obese (> or = 25.0 kg/m2) and were also categorized into four groups according to the 25th, 50th, 75th percentile of GWG. Adjusted associations of GWG and prepregnancy BMI with perinatal outcomes were estimated by logistic regression analyses.
RESULTS
The greater GWG and the heavier prepregnancy BMI decreased the risk of small for gestational age and increased the risk of cesarean section for nulliparas and large for gestational age.
CONCLUSION
There was an association of GWG and prepregnancy BMI with perinatal outcomes. To prevent maternal or neonatal complications associated with excessive or inadequate GWG, a multicenter study is needed to establish a Korean standard value for the recommended range of GWG.

Keyword

Body mass index; Gestational weight gain; Perinatal outcome
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