Between 1967, when Colorado became the first state to loosen its restrictions on abortion, and 1973, when the Supreme Court’s Roe v. Wade ruling established the right of all women to have the procedure, the number of legal abortions in the U.S. soared. By 1977, the number of pregnancy...

Despite their perceptions of low pregnancy risk, sexual minority women may experience an unintended pregnancy because many engage in heterosexual behavior at some point. And although sexual minority women are more likely than others to report having experienced early sexual debut and forced sex—...

Even into the early 2000s, knowledge about bisexual men’s recent sex partners remained little understood—an important research gap, because of bisexual men’s increased risk for HIV and other STDs. Bisexual men were often lumped together in studies with homosexual men, and it was unclear whether...