女孩青春期发育年龄

Age of puberty in girls

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1
一项最新调查显示，我国女孩青春期发育年龄平均为9.2岁，比30年前的12.5岁提前3.3岁。
Chinese girls start their puberty at an average age of 9.2 years, 3.3 years earlier than 12.5 of 30 years ago, a latest survey showed.
2
其作者马西娅•赫曼·吉登斯(Marcia Herman - Giddens)发现白人女孩青春期平均发育年龄下降到9.7岁。
Its author, Professor Marcia Herman-Giddens, found the average age of puberty among white girls had dropped to 9.7 years.
3
同时对正在发育的身体所做的分析也表明美国女孩步入青春期的年龄正在提前。
The analysis adds to a growing body of evidence suggesting that the onset of puberty in girls is shifting earlier.

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