title: Reflections on early pregnancy: organizing chaos or organized chaos?
authors.forename: E R
authors.initials: ER
authors.lastname: Barnea
authors.forename: P N
authors.initials: PN
authors.lastname: Schofield
mesh_terms: D000818:Animals; D001757:Blastomeres / Q000166:cytology; D002454:Cell Differentiation / Q000502:physiology; D005260:Female; D006801:Humans; D008297:Male; D011247:Pregnancy / Q000502:physiology*; D013084:Sperm-Ovum Interactions / Q000502:physiology*; D014327:Trophoblasts / Q000166:cytology