Kansal Kalra, Suleena Perinatal morbidity after in vitro fertilization is lower with frozen embryo transfer. [electronic resource] - Fertility and sterility Feb 2011 - 548-53 p. digital Publication Type: Evaluation Study; Journal Article ISSN: 1556-5653 Standard No.: 10.1016/j.fertnstert.2010.05.049 doi Subjects--Topical Terms: AdultCohort StudiesEmbryo Transfer--adverse effectsEmbryo, MammalianFemaleFertilization in Vitro--methodsFreezingHumansInfant, NewbornInfant, Newborn, Diseases--epidemiologyMaleMorbidityPerinatology--statistics & numerical dataPregnancyPregnancy Outcome--epidemiologyRetrospective Studies