Demographic and medical consequences of the postponement of parenthood

L. Schmidt1,2,, T. Sobotka3, J.G. Bentzen4, and A. Nyboe Andersen4, on behalf of the ESHRE Reproduction and Society Task Force Section of Social Medicine, Department of Public Health, University of Copenhagen, 5 Oster Farimagsgade, P.O. Box 2099, DK-1014 Copenhagen K, Denmark Member of the Reproduction and Society Task Force of the European Society of Human Reproduction and Embryology Vienna Institute of Demography, Austrian Academy of Sciences, 1040 Vienna, Austria The Fertility Clinic, Rigshospitalet, Copenhagen University Hospital, DK-2100 Copenhagen, Denmark