Is human fecundity declining in Western countries?
نویسندگان
چکیده
منابع مشابه
Is human fecundity declining in Western countries?
Since Carlsen and co-workers reported in 1992 that sperm counts have decreased during the second half of the last century in Western societies, there has been widespread anxiety about the adverse effects of environmental pollutants on human fecundity. The Carlsen report was followed by several re-analyses of their data set and by many studies on time trends in sperm quality and on secular trend...
متن کاملIs human fecundity declining?
Summary The decreasing trends in fertility rates in many industrialized countries are now so dramatic that they deserve much more scientific attention. Although social and behavioural factors undoubtedly play a major role for these trends, it seems premature, and not based on solid information, to conclude that these trends can be ascribed to social and behavioural changes alone. There is evide...
متن کاملDeclining Mountain Snowpack in Western North America*
JANUARY 2005 AMERICAN METEOROLOGICAL SOCIETY | ountain snowpack in western North America is a key component of the hydrologic cycle, storing water from the winter (when most precipitation falls) and releasing it in spring and early summer, when economic, environmental, and recreational demands for water throughout the West are frequently greatest. In most river basins of the West, especially in...
متن کاملCauses of Declining Growth in Industrialized Countries
A clear break in the post-World War I1 pattern of rapid productivity growth was a virtually universal phenomenon across Organization for Economic Cooperation and Development (OECD) countries, in most of them beginning in the early 1970s. This development had implications for both the evolution of aggregate supply, as well as the growth of real income and the types of macroeconomic and structura...
متن کاملPeritoneal Dialysis in Western Countries
Background: Peritoneal dialysis (PD) for the treatment of end-stage renal failure was introduced in the 1960s. Nowadays it has evolved to an established therapy that is complementary to hemodialysis (HD), representing 11% of all patients treated worldwide with dialysis. Despite good clinical outcomes and similar results in patient survival between PD and HD, the penetration of PD is decreasing ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Human Reproduction
سال: 2010
ISSN: 0268-1161,1460-2350
DOI: 10.1093/humrep/deq085