Guttmacher Institute

Sexual intercourse at an early age and sexual activity involving people of disparate ages both have well established associations with numerous poor sexual and reproductive health outcomes. But what about early sex involving partners of different ages? That’s been less well studied, and...

Sexual harassment and assault are topics that have rightfully received a lot of attention in the media as of late. An integral question underlying these issues is “What constitutes sexual consent?” The answer to this question is far more complicated than phrases such as “no...

In the late 1990s, researchers began to find evidence that women could acquire STDs from other women. However, this early work was scant, it was primarily quantitative and it offered little insight into how women who have sex with women could reduce their risk for STDs. In 2005, Perspectives...

It’s February, and February means Valentine’s Day. And for many people, Valentine’s Day means love, chocolates, flowers and…sex. So our focus this month is sexuality and sexual behavior. For sexual and reproductive health researchers, the study of sexuality and sexual...