Teenagers who are part of close-knit neighborhoods and families are less likely to have sex at a young age, a new study has found.

On the other hand, teens' schools have less influence on their sexual behavior, researchers report.

"Our results echo other studies' findings on the importance of families and neighborhoods in protecting youth from risky behaviors, and show that feeling ...

When preteen children or very young teenagers become pregnant, they face higher rates of complications and a greater risk of winding up in the intensive care unit than older teens do, a new study finds.

The question about what happens when a young girl goes through pregnancy and delivery takes on more relevance after the U.S. Supreme Court overturned Roe v. Wade in June and subsequent abo...