Female machine ligation is a form of contraception that involves surgically blocking the passage of the fallopian tubes so that sperm and egg cannot come into contact with each other. Ligation is a permanent form of contraception and normally does not result in pregnancy. However, if you need to get pregnant again, you can choose tubal reopening surgery so that the egg can be released smoothly. Tubal reversal surgery has a high chance of success, so you can start preparing for pregnancy after a checkup and some time of recuperation after the procedure. However, there is a risk of ectopic pregnancy after the surgery. Moreover, there is still a chance that the surgery will fail and some women will experience a malfunction, so they can try in vitro fertilization (IVF). As long as the woman is not very old and is healthy in all aspects of her body, there is still a good chance of getting pregnant through IVF. In conclusion, it is important for a woman to think carefully before having her tubes tied, as this is a permanent form of contraception, and even if she chooses to have her tubes reopened at a later stage to restore them, there are still repercussions. This method of contraception is generally not recommended for younger women or women with only one child.