title: Pregnancy loss rates after midtrimester amniocentesis.
authors.forename: Kypros
authors.initials: K
authors.lastname: Nicolaides
mesh_terms: D000022:Abortion, Spontaneous / Q000209:etiology*; D000649:Amniocentesis / Q000009:adverse effects*; D005260:Female; D005313:Fetal Death / Q000209:etiology*; D005865:Gestational Age; D006801:Humans; D011247:Pregnancy; D011262:Pregnancy Trimester, Second