title: The events of early pregnancy: prying open the black box.
authors.affiliation: NIEHS, Epidemiology Branch, PO Box 12233 Durham, NC 27709, USA.
authors.forename: A M
authors.initials: AM
authors.lastname: Jukic
authors.forename: A J
authors.initials: AJ
authors.lastname: Wilcox
mesh_terms: D018568:Crown-Rump Length; D010064:Embryo Implantation / Q000502:physiology*; D005260:Female; D047109:Fetal Development / Q000502:physiology*; D006801:Humans; D010060:Ovulation / Q000502:physiology*; D011247:Pregnancy