title: How to halve the prematurity rates of in vitro fertilization pregnancies in 4 days.
authors: Department of Ob-Gyn, Hôpital A. Béclère, Clamart, France.
authors: F
authors: F
authors: Olivennes
authors: R
authors: R
authors: Frydman
authors: P
authors: P
authors: Rufat
authors: J
authors: J
authors: de Mouzon
authors: M
authors: M
authors: Dehan
mesh_terms: D005260:Female; D005307:Fertilization in Vitro; D005602:France / Q000453:epidemiology; D006801:Humans; D008433:Mathematics; D007752:Obstetric Labor, Premature / Q000453:epidemiology* / Q000209:etiology; D011247:Pregnancy; D011256:Pregnancy Outcome / Q000453:epidemiology*; D013997:Time Factors