With rates of infertility on the rise and testosterone levels in decline, we may need to factor in chemical exposures to the future of our love lives. Infertility affects one in eight couples in the United States—that’s 7.3 million people who have trouble with pregnancy, according to the CDC. And although it was once thought that infertility was a “female problem,” medical evidence shows that infertility is an equal opportunity problem: One-third of infertility is attributed to the female, one-third to the male and one-third to combined factors from both male and female.