title: [The effect of gestational weight gain on maternal and neonatal outcomes].
abstract: OBJECTIVE
  To evaluate the effects of gestational weight gain (GWG) on maternal and neonatal outcomes.
  
  
  METHODS
  During 2009, women in the immediate puerperium were assessed at the Gynecology and Obstetrics Hospital in Tijuana, Baja California, Mexico. GWG was considered optimal when < or =18 kg, < or =16 kg, < or =11.5 kg and < or =9 kg for women who, before pregnancy, were underweight, normal weight, overweight and obese, respectively.
  
  
  RESULTS
  A total of 38% of women gained more than the recommended weight during pregnancy Women with normal weight previous to pregnancy who exceeded gestational weight-gain recommendations had a risk of oligo/polyhydramnios (OR 2.1, CI 95% 1.04-4.2) and cesarean delivery; overweight women previous to pregnancy had an increased risk of preeclampsia (OR 2.2 CI 95% I.I-4.6) and newborn macrosomia (OR 2.5, CI 95% 1.1-5.6); and obese women had a risk of newborn macrosomía (OR 6.6 IC 95% I.8-23). Pre-pregnancy weight was more greatly associated with gestational diabetes than gestational weight gain.
  
  
  CONCLUSIONS
  Women whose weight gain during pregnancy is outside of the recommended ranges had an increased risk of adverse obstetric and neonatal outcomes.
authors.affiliation: Unidad de Investigación Clínica y Epidemiológica, Hospital General Regional, Tijuana, BC, México. zonanaa@yahoo.com
authors.forename: Abraham
authors.initials: A
authors.lastname: Zonana-Nacach
authors.forename: Rogelio
authors.initials: R
authors.lastname: Baldenebro-Preciado
authors.forename: Marco Antonio
authors.initials: MA
authors.lastname: Ruiz-Dorado
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000453:epidemiology; D007744:Obstetric Labor Complications / Q000453:epidemiology; D011247:Pregnancy; D011248:Pregnancy Complications / Q000453:epidemiology; D011256:Pregnancy Outcome; D015430:Weight Gain