title: Unsettled questions trail IVF's success.
authors.forename: Kelly
authors.initials: K
authors.lastname: Servick
mesh_terms: D000818:Animals; D000013:Congenital Abnormalities / Q000209:etiology; D046149:Embryo Culture Techniques; D005260:Female; D005307:Fertilization in Vitro / Q000009:adverse effects*; D047109:Fetal Development; D006801:Humans; D011247:Pregnancy; D011256:Pregnancy Outcome; D027724:Reproductive Techniques, Assisted / Q000009:adverse effects*; D012306:Risk; D013997:Time Factors