Thin women risk infertility

Women who keep their body fat to a minimum, so they can be fashionably thin, could be putting their fertility at risk, according to a US expert. In Female Fertility and the Body Fat Connection, a new book, Professor Rose Frisch looks at fertility, body fat, and reproductive health; she suggests women who are too lean are risking infertility.

Professor Frisch, associate professor of population sciences emeritus at the Harvard Medical School of Public Health, Boston, has devised a critical fatness …