title: A seasonal effect on pregnancy rates in an in vitro fertilization program.
authors.affiliation: University of Maryland School of Medicine, Department of Obstetrics and Gynecology, Baltimore 21201, USA.
authors.forename: D
authors.initials: D
authors.lastname: Chamoun
authors.forename: L
authors.initials: L
authors.lastname: Udoff
authors.forename: L
authors.initials: L
authors.lastname: Scott
authors.forename: L
authors.initials: L
authors.lastname: Magder
authors.forename: E Y
authors.initials: EY
authors.lastname: Adashi
authors.forename: H D
authors.initials: HD
authors.lastname: McClamrock
mesh_terms: D005260:Female; D005307:Fertilization in Vitro / Q000592:standards*; D006801:Humans; D007030:Hypothalamo-Hypophyseal System / Q000502:physiology; D008027:Light; D008297:Male; D010053:Ovary / Q000502:physiology; D011247:Pregnancy; D018873:Pregnancy Rate; D012621:Seasons; D012727:Sex Characteristics; D013076:Sperm Count; D013696:Temperature