Less than half of US teenagers today are sexually active, far fewer than in the late 1980s, a US government report said today.
The findings are based on survey data spanning 1988 to 2013, called the National Survey of Family Growth, offering a glimpse at national estimates of sexual activity, contraceptive use and childbearing among teenagers...![]()
![]()
![]()
![]()
![]()
![]()
![]()
↧