Chien, Patrick Multiple pregnancy and assisted conception treatment. [electronic resource] - BJOG : an international journal of obstetrics and gynaecology 04 2020 - 525-526 p. digital Publication Type: Editorial; Introductory Journal Article ISSN: 1471-0528 Standard No.: 10.1111/1471-0528.16154 doi Subjects--Topical Terms: FemaleFertilizationFertilization in VitroHumansPregnancyPregnancy, MultiplePreimplantation DiagnosisSingle Embryo Transfer