title: Re: "Risk factors for spontaneous abortion and its recurrence".
authors.forename: B
authors.initials: B
authors.lastname: Gladen
mesh_terms: D000022:Abortion, Spontaneous / Q000453:epidemiology*; D000328:Adult; D002170:Canada; D004812:Epidemiologic Methods; D005260:Female; D006801:Humans; D011247:Pregnancy; D012008:Recurrence; D014481:United States