by Erin Dower
Precocious puberty at age 7 or 8
Kids these days are growing up too fast – literally. A recent study shows that a significant number of girls are beginning to develop breasts and hit puberty by age 7 or 8, around second grade. Often referred to as precocious puberty, this trend could have long-term negative effects on a girl's overall health.
The average age at which U.S. girls usually begin puberty is 10 or 11. But the study, published in the August 9, 2010 issue of Pediatrics, shows a notable spike in the number of girls with some breast growth by age 7 or 8.
The study tracked 1,239 girls between the ages of 6 and 8 from three U.S. cities. Across the board, the results were startling: 10 percent of 7-year-old white girls had some breast development, compared to 5 percent in a 1997 study. And 23 percent of 7-year-old black girls had started developing breasts as compared to 15 percent in the 1997 study.
Physical and Emotional Effects
In addition to the obvious changes that come with the territory – such as breast and hip growth, acne, and mood swings – girls who experience precocious puberty may face these health issues: