Abortion is the removal of pregnancy tissue, products of conception or the fetus and placenta (afterbirth) from the uterus. The terms fetus and placenta usually are used after eight weeks of pregnancy, while the other terms describe tissue produced by the union of an egg and sperm before eight weeks. Each year approximately 1.2 million women in the United States choose to end a pregnancy. Other terms for an abortion include elective abortion, induced abortion, termination of pregnancy and therapeutic abortion.
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