Krause und Pachernegg
Verlag für Medizin und Wirtschaft
 
Summary
Nieschlag E, te Velde E
Why have Birth Rates Dropped? For Medical Reasons?

Journal für Reproduktionsmedizin und Endokrinologie - Journal of Reproductive Medicine and Endocrinology 2010; 7 (5): 403-406

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Keywords: Alter,  Fertilität,  Geburtsrate,  Infertilität,  Kontrazeption,  birth rate,  contraception,  fecundity,  fertility,  infertility,  reproductive age,  sperm crisis

Socio-economic factors influence reproductive behaviour negatively. In addition, couples postponing childbearing into later phases of life jeopardize their changes for parenthood. Other medical reasons including the alleged “sperm crisis� are less likely to lead to declining birth rates. According to several studies, fecundity has remained stable or increased over the past decades.
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