No bleeding after abortion is sometimes a normal phenomenon, it may be because the uterine cavity is cleaned up or due to the uterus contracting better, as well as the gestational sac may continue to grow, the details are as follows: 1, in the process of abortion: the uterine cavity is cleaned up or due to the uterus contracting better, there may not be any bleeding; 2, in the process of abortion: the gestational sac is not cleaned out If the pregnancy sac continues to grow, there will be no bleeding. If you observe for a week after the abortion, there is still no bleeding at all or there is still a pregnancy reaction, you need to go to the hospital as soon as possible to do an ultrasound examination. If there is still a gestational sac at this time, it is necessary to do another abortion, if the uterine cavity is cleaner, there is no need to worry about it, until the time of menstruation can continue to observe, if the menstruation is normal, there is no problem.