title: Why might infertile couples have problem pregnancies?
authors.affiliation: Epidemiology Branch, National Institute of Environmental Health Sciences, Research Triangle Park, NC 27709, USA.
authors.forename: D D
authors.initials: DD
authors.lastname: Baird
authors.forename: A J
authors.initials: AJ
authors.lastname: Wilcox
authors.forename: M S
authors.initials: MS
authors.lastname: Kramer
mesh_terms: D004624:Embryo Transfer; D005260:Female; D005307:Fertilization in Vitro / Q000009:adverse effects / Q000379:methods*; D005313:Fetal Death; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D007234:Infant, Premature; D007246:Infertility / Q000628:therapy*; D008297:Male; D011247:Pregnancy; D011248:Pregnancy Complications / Q000209:etiology*; D011256:Pregnancy Outcome; D012307:Risk Factors