After the abortion, if the menstrual period is delayed in the third month, there is a possibility of pregnancy, at this time, you should do a urine test, or blood test HCG to rule out early pregnancy. For women who do not have a pregnancy plan, they must take effective contraceptive measures when having sex, such as condoms, short-acting contraceptives, emergency contraceptive pills, etc. Although emergency contraceptive pills can not be used as a regular contraceptive method and are not recommended to be taken regularly, if unprotected sex occurs, it is necessary to take them orally in time for the purpose of contraception in order to prevent the harm caused by recurrent abortions on the body, such as irregular menstruation, inflammation of the reproductive tract, endometriosis, and other diseases. inflammation, endometriosis, and so on. If you have a pregnancy plan, from the perspective of eugenics, you must actively prepare for pregnancy, such as physical examination of both spouses, oral folic acid tablets to prevent neural tube deformities in newborns, avoid smoking and alcohol, pay attention to physical exercise, pay attention to diet to increase nutrition, and coitus at the time of ovulation, etc., in order to facilitate a better conception.