Quantifying postponement in the age at first attempt to conceive: "the average age at first conception attempt, as inferred by the models, increases by two years [between 1960-80, Netherlands]. Unexpectedly, the average duration to childbirth remains stable despite later conception attempts"
The Vienna Yearbook of Population Research is an open access journal that features contributions addressing population trends as well as a broad range of theoretical and methodological issues in popul...
