Fenmadone generic name Estradiol Tablets/Estradiol Dydrogesterone Tablets, the absence of menstruation after taking a box by mouth may be due to the presence of uterine adhesions, pregnancy, or a short period of time after stopping the medication. Estradiol Tablets/Estradiol Dydrogesterone Tablets is a combination of progesterone and estrogen. A woman who does not have menstruation after using a box may be pregnant because she had normal sex while taking it and did not use contraception. It is also possible that the period has not yet come because it has been a short time since the medication was stopped. It is also possible that a woman has a history of abortion, scraping and other surgical procedures, resulting in damage to the uterine lining and adhesions in the uterine cavity, so that the lining can not be thickened normally after taking Estradiol Tablets/Estradiol Dydrogesterone Tablets, and there will not be a menstrual period. Women who do not have menstruation after taking a box of estradiol tablets/estradiol dydrogesterone tablets still need to seek medical attention to identify the cause and target treatment.