Time trends in waiting time to pregnancy among Danish twins
نویسندگان
چکیده
منابع مشابه
Time trends in waiting time to pregnancy among Danish twins.
BACKGROUND Little is known about time trends in fecundity because few population-based data are available. In a survey among female twins born from 1953 to 1976, their time to pregnancy did not differ from singletons and can be considered to represent the fecundity of the general population. METHODS Information was collected by interview about waiting time to first pregnancy (TTP) and any per...
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BACKGROUND A previous European study found a longer time to pregnancy (TTP) among fertile women from Paris compared with women from other Western European countries. A co-ordinated, cross-sectional study of pregnant couples from Denmark (Copenhagen), France (Paris), Scotland (Edinburgh) and Finland (Turku) was therefore undertaken to assess differences in waiting TTP among couples from these ci...
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BACKGROUND Recent research indicates that even a moderate consumption of alcohol in women trying to become pregnant is associated with longer waiting time to pregnancy. The findings, though, are based upon few observations. METHODS Self-reported data on alcohol intake and waiting time to pregnancy (0-2, 3-5, 6-12 and >12 months) was used for 39 612 pregnant women, recruited to the Danish Nati...
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ژورنال
عنوان ژورنال: Human Reproduction
سال: 2005
ISSN: 1460-2350,0268-1161
DOI: 10.1093/humrep/deh723