title: Multiple aspirations and risk of abortion in transabdominal chorionic villous sampling.
authors.forename: O A
authors.initials: OA
authors.lastname: Oloyede
mesh_terms: D000005:Abdomen; D000022:Abortion, Spontaneous / Q000453:epidemiology / Q000209:etiology*; D015193:Chorionic Villi Sampling / Q000009:adverse effects / Q000379:methods* / Q000706:statistics & numerical data; D005260:Female; D005865:Gestational Age; D006801:Humans; D009339:Needles; D011247:Pregnancy; D011256:Pregnancy Outcome; D012307:Risk Factors