Note to users. If you're seeing this message, it means that your browser cannot find this page's style/presentation instructions -- or possibly that you are using a browser that does not support current Web standards. Find out more about why this message is appearing, and what you can do to make your experience of our site the best it can be.


Science 1 May 2009:
Vol. 324. no. 5927, p. 589
DOI: 10.1126/science.324_589

News Focus

American Association of Physical Anthropologists:

Reproductive Fate Versus Environment

Ann Gibbons

Women's fertility is determined in large part at birth. They are born with their total number of ovarian follicles, for example, which normally influences the age at which menopause begins. But in the 1990s, researchers proposed that if a child's energy is depleted by malnutrition, disease, or other factors, he or she would be less fertile as an adult. By using the natural experiment of migration, researchers demonstrated in a talk at the American Association of Physical Anthropologists meeting how differences during childhood do indeed alter the course of reproduction in adult women. They found that Bangladeshi women who live in London are more fertile than those in Bangladesh but less fertile than Bangladeshi women born in London.

Read the Full Text






To Advertise     Find Products


Science. ISSN 0036-8075 (print), 1095-9203 (online)