If menstruation is always delayed after abortion, it is recommended to actively go to the hospital for examination, mainly to understand the endocrine situation, to exclude polycystic ovary syndrome, polycystic ovary syndrome will often make menstruation delayed, will be manifested as a decrease in the amount of menstruation, androgen increase phenomenon can be found through the laboratory examination, once diagnosed, we should actively treat. In addition, delayed menstruation is also related to daily habits, such as anxiety, insomnia, often late at night, excessive smoking and drinking, or like to drink frozen drinks, etc., may have a certain impact on the endocrine and delayed menstruation. Women have to change these bad habits in their daily life, which will help them to regularize their menstruation.