What are the rates and mechanisms of first and second trimester pregnancy loss in twins?
Grobman
W A
WA
Northwestern University Medical School, Chicago, Illinois, USA.
Peaceman
A M
AM
D000022:Abortion, Spontaneous / Q000453:epidemiology* / Q000209:etiology / Q000517:prevention & control; D005260:Female; D006801:Humans; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D011262:Pregnancy Trimester, Second; D011272:Pregnancy, Multiple; D014427:Twins