You can have an abortion at five weeks of pregnancy. If you have an ultrasound examination at five weeks of pregnancy, you can choose a medical abortion if the diameter of the intrauterine gestational sac is below 1.0cm, or you can choose an abortion to terminate the pregnancy if the diameter of the gestational sac is above 1.2cm. If a woman is pregnant, no matter what kind of abortion is used, it will have a harmful effect on her body. If you don’t want to get pregnant, it is better to use contraceptive measures, for example, you can use a penis condom, place an intrauterine device, occasionally you can also use the pill or use the method of safe period contraception is possible. Women should not have two abortions within six months, abortion is likely to lead to the occurrence of menstrual disorders, endometrial thinning, uterine adhesions, uterine infections, pelvic inflammatory disease, and in serious cases, infertility in the future.