Late adolescence and young adulthood are the periods of highest risk for unintended pregnancy. Later childbearing means many women are at risk for a decade or more before they have kids. The growing length of this period makes it vital that women have access to a wide range of effective methods of contraception—not just the condoms and pills that women commonly use now, but also highly effective long-acting methods like the IUD and the implant. The latter methods don’t require any regular action on the woman’s part, which might be particularly helpful for teens and young adults