Taking Gynecology Qianjin Tablet will not delay menstruation because it has the effect of activating blood circulation and removing blood stasis. In case of delayed menstruation, it is recommended to rule out the possibility of pregnancy if you have a normal sexual history. If you are not pregnant, it is possible that the delayed period is caused by endocrine disorder, so you can continue to observe for a week. If you still do not have a period, you can take another early pregnancy test. If it is still negative, you can take oral progesterone to induce menstruation, most of them will come 3-7 days after stopping the medication. If you still do not have a period, it is recommended that you go to the hospital to rule out the possibility of ovarian failure and have a sex hormone test.