It's normal for menstruation to be delayed or advanced by one week, and more than one week is needed to rule out the possibility of pregnancy, and to rule out the possibility of pregnancy is to consider the phenomenon of menstrual disorders, and it's true that 13 hours of work a day is quite tiring, and it will also affect the normal onset of menstruation.

Suggestions: We recommend that you do a blood HCG test to rule out the possibility of pregnancy, and after ruling out pregnancy, you can use progesterone to promote menstruation.

Suggests that you do a blood HCG test to rule out pregnancy.