title: Risk of recurrent spontaneous abortion for pregnancies discovered in the fifth week of gestation.
authors.forename: J L
authors.initials: JL
authors.lastname: Simpson
authors.forename: R H
authors.initials: RH
authors.lastname: Gray
authors.forename: J T
authors.initials: JT
authors.lastname: Queenan
authors.forename: M
authors.initials: M
authors.lastname: Barbato
authors.forename: A
authors.initials: A
authors.lastname: Perez
authors.forename: P
authors.initials: P
authors.lastname: Mena
authors.forename: W S
authors.initials: WS
authors.lastname: Stevenson
authors.forename: F
authors.initials: F
authors.lastname: Pardo
authors.forename: R T
authors.initials: RT
authors.lastname: Kambic
mesh_terms: D000026:Abortion, Habitual / Q000453:epidemiology; D000022:Abortion, Spontaneous / Q000453:epidemiology*; D015331:Cohort Studies; D005260:Female; D005865:Gestational Age; D006801:Humans; D011247:Pregnancy; D012008:Recurrence; D012307:Risk Factors