A six-week abortion ban or early abortion ban, called a "heartbeat bill" or "fetal heartbeat bill" by proponents, is a form of abortion restriction legislation in the United States. These bans make abortion illegal as early as six weeks gestational age (two or three weeks into a pregnancy), which is when proponents claim that a "fetal heartbeat" can be detected. Medical and reproductive health experts, including the American Medical Association and the American College of Obstetricians and Gynecologists, say that the reference to a fetal heartbeat is medically inaccurate and intentionally misleading because a conceptus is not called a fetus until after ten weeks of pregnancy, before which the proper term is an embryo, as well as that at six weeks the embryo has no heart, which at that sta