About 17 percent of sexually experienced teen girls told
researchers for the Centers for Disease Control and Prevention that they had
used the rhythm method -- timing their sex to avoid fertile days to prevent
getting pregnant. That figure is up from 11 percent in a similar survey in
Nearly 64 percent of teen boys said it's all right for an
unmarried female to have a child, up from 50 percent in 2002. More than 70
percent of teen girls agreed, up from 65 percent, although the female increase
was not statistically significant.