title: [A case of quadruplet pregnancy in IVF-ETR: analysis of incidence of multiple pregnancy after in vitro fertilization].
authors: Department of Obstetrics and Gynecology, Gunma, University School of Medicine, Maebashi.
authors: M
authors: M
authors: Seki
authors: K
authors: K
authors: Tsuchiya
authors: M
authors: M
authors: Itoh
authors: T
authors: T
authors: Takeuchi
authors: M
authors: M
authors: Igarashi
authors: T
authors: T
authors: Yamaguchi
mesh_terms: D000328:Adult; D015331:Cohort Studies; D004624:Embryo Transfer; D005260:Female; D005307:Fertilization in Vitro; D006801:Humans; D008297:Male; D011247:Pregnancy; D011256:Pregnancy Outcome; D011272:Pregnancy, Multiple; D011783:Quadruplets