Pregnancy loss rates after midtrimester amniocentesis.
Alfirevic
Zarko
Z
Tabor
Ann
A
D000022:Abortion, Spontaneous / Q000453:epidemiology* / Q000209:etiology; D000328:Adult; D000649:Amniocentesis / Q000009:adverse effects*; D004314:Down Syndrome / Q000175:diagnosis; D004867:Equipment Design; D005260:Female; D006801:Humans; D009339:Needles; D011247:Pregnancy; D011262:Pregnancy Trimester, Second; D012107:Research Design