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有许多少女满17岁后胸部依然平坦,月经迟迟未来,身体也没有同龄女孩那么丰满,令她们颇为烦恼而又羞于启齿。可以断定她们是患了“青春期延迟症”。青春期有比较明确的年龄界限,通常把女性10～19岁划为青春期。医学专家们又将青春期分为5期:Ⅰ期是性特征尚未出现,可称为青春前期;Ⅱ期为乳房开始突出,阴毛生长,阴唇肥大;Ⅲ
Many girls are still flat after 17 years of age, the future of menstruation, the body is not as plump as the girls of their age, so that they are quite upset and ashamed. Can conclude that they are suffering from “adolescent delay syndrome.” Adolescence has a more definite age limit, usually 10 to 19 years of age for women designated as adolescent. Medical experts in turn divide adolescence into five phases: stage I is a sexual trait that has not yet appeared and can be called a pre-adolescent stage; stage II is that the breast starts to protrude and the pubic hair grows and the labia majora is hypertrophy;