title: Implantation and the survival of early pregnancy.
authors.affiliation: Department of Obstetrics, Gynecology, and Reproductive Biology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA 02115, USA. enorwitz@partners.org
authors.forename: E R
authors.initials: ER
authors.lastname: Norwitz
authors.forename: D J
authors.initials: DJ
authors.lastname: Schust
authors.forename: S J
authors.initials: SJ
authors.lastname: Fisher
mesh_terms: D000022:Abortion, Spontaneous / Q000209:etiology; D001755:Blastocyst / Q000166:cytology / Q000502:physiology; D010064:Embryo Implantation / Q000502:physiology*; D005260:Female; D006801:Humans; D010929:Placentation; D011247:Pregnancy; D011248:Pregnancy Complications; D011261:Pregnancy Trimester, First / Q000276:immunology / Q000502:physiology*; D011374:Progesterone / Q000502:physiology; D011453:Prostaglandins / Q000502:physiology
chemical_list: D011453:Prostaglandins; D011374:Progesterone