title: [Single-embryo fertilization in vitro. Maintained birth rate in spite of dramatically reduced multiple birth frequency].
authors.affiliation: Sahlgrenska Universitetssjukhuset/Sahlgrenska, Göteborg. christina.bergh@vgregion.se
authors.forename: Christina
authors.initials: C
authors.lastname: Bergh
authors.forename: Ann Thurin
authors.initials: AT
authors.lastname: Kjellberg
authors.forename: Per-Olof
authors.initials: PO
authors.lastname: Karlström
mesh_terms: D001723:Birth Rate; D004624:Embryo Transfer; D005260:Female; D005307:Fertilization in Vitro / Q000379:methods; D006801:Humans; D017410:Practice Guidelines as Topic; D011247:Pregnancy; D011256:Pregnancy Outcome; D018873:Pregnancy Rate; D011272:Pregnancy, Multiple / Q000706:statistics & numerical data; D016032:Randomized Controlled Trials as Topic; D013548:Sweden