Miscarriage usually refers to spontaneous abortion, which is when the fetus terminates its development before 28 weeks, there is a death, and the fetus will weigh less than one kilogram. A spontaneous miscarriage is the absence of the baby without intervention, which is not the will of the pregnant woman. An abortion is an induced abortion, which is the death of the fetus with human intervention, usually by medication, but also by painless abortion or hysteroscopic extraction. Some women who do not want a baby will end its life by these methods, which is abortion. Whether it is an abortion or a natural abortion, the damage to the human body is very great, so in general, women need to protect their bodies better to avoid serious consequences. If there is an abortion, women must do a good job of contraception to prevent the recurrence of this similar thing, which brings great harm to the body.