美国女孩青春期提前 性早熟明显

　　American girls are hitting pubertyearlier than ever, developing breasts at ages 7 or 8 instead of the traditional10 or 11 years old, the New York Daily News reported on August 9.

　　最新调查发现，美国女孩出现性早熟趋势，青春期明显提前。很多女孩年仅7岁乳房就开始发育，而此前都是从10岁或11岁开始。

资料图 美国女童性早熟趋势明显

　　Researchers at Cincinnati Children's Hospital Medical Center examined more than 1,200 girls aged from 6 to 8 and found that 15 percent showed signs of breastdevelopment at age 7. Compared to a similar study in 1997, American children’s puberty comes earlier significantly.

　　据报道，美国俄亥俄州辛辛那提儿童医院青少年医学研究部门，近日对1200多名6岁至8岁的女童进行了一项调查。结果显示，15%被调查者年仅7岁乳房就开始发育。与1997年一项类似研究结果相比，美国儿童的青春期发育大幅提早。