Taking mifepristone regretted the child is usually can not be, the child may be spontaneous abortion, may also affect its normal growth and development. Mifepristone is a receptor level antiprogesterone drug, can be at the molecular level and endogenous progesterone competition binding receptor, produce a relatively strong antiprogesterone effect, so that the meconium and chorionic villus of pregnancy tissue denaturation, resulting in the luteinization of the corpus luteum dissolution, so that the development of the corpus luteum dependent on the embryo necrosis and then miscarriage. Mifepristone has been taken, even if regretted is generally not recommended to continue the pregnancy, although no longer continue to take Misoprostol, but the fetus may also be aborted naturally, but only a longer period of time or the occurrence of incomplete miscarriage, or bleeding a lot of time prolonged. Mifepristone medication taken within 49 days of pregnancy may also affect the normal development of the embryo and increase the chances of developmental abnormalities in the fetus. Although these are not absolutes, it is important to carefully consider whether or not to keep it for the sake of eugenics. The decision to terminate a pregnancy should be made after careful consideration and under the guidance of a doctor.