title: Maternal obesity is an independent risk factor for spontaneous extremely preterm delivery.
authors.affiliation: Department of Obstetrics and Gynecology, Columbia University Medical Center, , New York, New York, USA.
authors.forename: Cynthia
authors.initials: C
authors.lastname: Gyamf I-Bannerman
mesh_terms: D005260:Female; D006801:Humans; D009765:Obesity / Q000453:epidemiology*; D050177:Overweight / Q000453:epidemiology*; D011247:Pregnancy; D011248:Pregnancy Complications / Q000453:epidemiology*; D047928:Premature Birth / Q000453:epidemiology*
keywords: Obstetrics