Hi, and thanks for your medical question on eHealth forum!
Women who do not have a single live birth are advised against medical termination due to chances of infection and other complications that may hamper future pregnancy. Medical abortion with pills is safe in the sense it carries less chances of infection. However, it increases chances of hormonal imbalance, and uterine rupture, both of which can hamper future pregnancies.
Hence, it is best to avoid future abortions. In case you do not a pregnancy now, consult a gynecologist to find out the best contraceptive method for you. Hope this helps. Take care!