Zusammenfassung
Die wachsende Überalterung der Bevölkerung und die dadurch bedingten sozialen, medizinischen und auch ökonomischen Konsequenzen in den meisten westlichen Industrienationen rücken zunehmend in den Fokus der Öffentlichkeit. So ist die mittlere Lebenserwartung in Deutschland in den letzten 100 Jahren um nahezu das Doppelte angestiegen (◘ Abb. 14.1). Diese Entwicklung geht hauptsächlich auf verbesserte Hygiene, Reduzierung der Neugeborenenmortalität und effektivere Therapie und Prophylaxe akuter Krankheiten im Erwachsenenalter zurück. Aufgrund dieser Entwicklung spielen gesundheitliche, soziale und psychologische Probleme älterer Menschen eine immer größere Rolle in Klinik und Forschung. Aber nicht nur die Lebenserwartung nimmt zu, sondern durch geänderte individuelle Lebensplanungen und wirksame Kontrazeptionsmöglichkeiten wird der Zeitpunkt der Familiengründung zunehmend in ein höheres Alter hinein verschoben, in dem die Fertilität zumindest des weiblichen Partners bereits deutlich eingeschränkt ist.
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Rolf, C., Zitzmann, M., Nieschlag, E. (2009). Seneszenz und Altershypogonadismus. In: Nieschlag, E., Behre, H.M., Nieschlag, S. (eds) Andrologie. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-92963-5_14
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