Teenage pregnancy

Teen birth rates internationally, per 1000 girls aged 15–19, (2008). United States and United Kingdom have some of the highest teenage pregnancy rates in the developed world.

Teenage pregnancy is pregnancy in human females under the age of 20. A girl can become pregnant from sexual intercourse after she has began to ovulate which can be before her first menstrual period (menarche), but usually occurs after the onset of her periods. In well-nourished girls, menarche usually takes place around the age of 12 or 13.

单词	Adolescent pregnancies
释义	Adolescent pregnancies 英语百科 Teenage pregnancy Teenage pregnancy is pregnancy in human females under the age of 20. A girl can become pregnant from sexual intercourse after she has began to ovulate which can be before her first menstrual period (menarche), but usually occurs after the onset of her periods. In well-nourished girls, menarche usually takes place around the age of 12 or 13.
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Adolescent pregnancies

Teenage pregnancy