The minimum amount of estrogen can be an effect of the following condition: Fetal demise Anencephaly Maternal ingestion of corticosteroids Placental sulfatase deficiency Progesterone has the following functions: It is the hormone responsible for the preparation of endometrium for nidation. It maintains the normal function of the endometrium It relaxes the myometrium. Other possible negative effects of estrogen include: Vaginal bleeding or spotting Abdominal pains Poor sleeping habit Skin rashes Depression Head aches, migraine headaches Causes endometrial cancer Therefore, with both of these positive and negative effects presented, the decision in taking estrogen will not be all yes . Since these estrogen hormones can be taken, they have the same effects and side effects especially if the doses are the same. The hormones should not be used when a woman is pregnant because it can lead to miscarriage. If taken at the earlier stage of pregnancy, it can badly harm the developing fetus. Normally, menstruation lasts from three to six days and follows a twenty-eight day cycle. However, if a women s menstruation lasts up to almost ten days and follows shorter menstrual cycle, it can be a sign of high estrogen level. Women who have this abnormal menstrual pattern are believed to have high estrogen levels. Usually, when the right amount or dosage of estrogen supplement is taken, you can also expect the best results if you take this supplement. It always depends upon you if you want to be successful with the treatment. Follow your doctor s advice properly to prevent possible side effects of Estrogen supplement compounds. If your body contains less than the required amount of estrogen, eating these foods can help your body produce the necessary amount of estrogen. Women who are experiencing pre-menopausal syndrome are advised to take these foods to regulate the amount of estrogen in their bodies. However, you have to consult your doctor before you start taking the aforementioned estrogen-rich foods.