title: [In vitro fertilization in a new era. Technical development and single-embryo transfer for safer treatment].
authors.affiliation: Universitetssjukhuset, Linköping.
authors.forename: Orvar
authors.initials: O
authors.lastname: Finnström
authors.forename: K G
authors.initials: KG
authors.lastname: Nygren
mesh_terms: D004624:Embryo Transfer / Q000009:adverse effects / Q000639:trends*; D005260:Female; D005307:Fertilization in Vitro / Q000009:adverse effects / Q000379:methods / Q000639:trends*; D005500:Follow-Up Studies; D006801:Humans; D007231:Infant, Newborn; D007247:Infertility, Female / Q000628:therapy; D012307:Risk Factors