title: Elective single-embryo transfer in older women.
authors: M
authors: M
authors: Niinimäki
authors: A-M
authors: AM
authors: Suikkari
authors: S
authors: S
authors: Mäkinen
authors: V
authors: V
authors: Södersström-Anttila
authors: H
authors: H
authors: Martikainen
mesh_terms: D005260:Female; D006801:Humans; D008423:Maternal Age; D011247:Pregnancy; D018873:Pregnancy Rate; D011272:Pregnancy, Multiple; D056826:Single Embryo Transfer / Q000379:methods*