title: Early pregnancy disorders: an update and eye to the future. Preface.
authors.affiliation: Department of Obstetrics and Gynecology, University of Pennsylvania, Philadelphia, Pennsylvania, USA.
authors.forename: Kurt T
authors.initials: KT
authors.lastname: Barnhart
mesh_terms: D000022:Abortion, Spontaneous / Q000175:diagnosis; D005260:Female; D006801:Humans; D011247:Pregnancy; D011248:Pregnancy Complications / Q000175:diagnosis / Q000628:therapy*; D011261:Pregnancy Trimester, First; D011295:Prenatal Care / Q000639:trends; D011296:Prenatal Diagnosis / Q000379:methods; D011379:Prognosis; D018456:Reproductive Medicine / Q000379:methods / Q000639:trends*