The case of disruption of the reproductive organs increased recently. In addition to the abnormalities of the reproductive organs, several studies now show girls experience puberty faster than decades ago.
A study published in August 2009 showed the girls in the United States is experiencing precocious puberty, which started at the age of 7 years. Puberty is characterized by breast development and pubic hair growth in women.
In a report published in the journal Pediatrics, researchers suggest that there are several factors that could affect these precocious puberty, including genetic factors, environmental pollution, chemicals, increased body fat, and obesity.