Spontaneous abortion rates after natural and assisted conception.
Steer
C
C
Bourne-Hallam Medical Centre, London.
Campbell
S
S
Davies
M
M
Mason
B
B
Collins
W
W
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