title: Spontaneous abortion rates after natural and assisted conception.
authors.affiliation: Bourne-Hallam Medical Centre, London.
authors.forename: C
authors.initials: C
authors.lastname: Steer
authors.forename: S
authors.initials: S
authors.lastname: Campbell
authors.forename: M
authors.initials: M
authors.lastname: Davies
authors.forename: B
authors.initials: B
authors.lastname: Mason
authors.forename: W
authors.initials: W
authors.lastname: Collins
mesh_terms: D000022:Abortion, Spontaneous / Q000209:etiology*; D000328:Adult; D004624:Embryo Transfer; D005260:Female; D005306:Fertilization; D005307:Fertilization in Vitro; D005865:Gestational Age; D006801:Humans; D011247:Pregnancy