Disorders of penis development are on the rise and we’re not sure why

By Mark Green and Andrew Pask

In prenatal ultrasounds or at delivery, many new parents look between their baby’s legs: the presence of a penis is taken as a strong sign that it’s a boy.

For humans and other animals, development of a penis was thought to be driven by “male hormones” (androgens) produced entirely by the testes of the male fetus as it grows in the uterus.

However, a new paper released today indicates this might not be the case.

Broader definition of polycystic ovary syndrome is harming women: Australian experts

The Age, 

In an opinion article in the latest British Medical Journal, Australian researchers argue that an expanded definition had inadvertently led to overdiagnosis, and therefore too much treatment and even harm.

The widening of the definition (to include the sonographic presence of polycystic ovaries) in 2003 led to a dramatic increase in cases, from 5 to 21 per cent.