Estrogen plays very important role in maintaining safe and sound health in the body and for that it is necessary that it must be present in normal level. But when estrogen level reduces it gives rise to problems such as hair loss, weight gain so it becomes necessary to switch on to estrogen therapy to bring estrogen back to its normal level. But prolonged estrogen therapy is dangerous as it increases the risk of womb cancer in the women who have passed out menopausal stage. It is even more dangerous in women who undertake only estrogen therapy.

Prolonged estrogen therapy can also lead to ovarian or breast cancer. For preventing heart disease it is necessary not to take products containing estrogen as it may increase the chance of heart stroke and develop blood clots. The severity of the risk depends on the time for which estrogen therapy is taken. Estrogen therapy taken at the time of pregnancy can induce birth defects or cancer in the child. Some of the other risks involved in estrogen therapy are: loss of coordination, severe chest pain, and many more. So it is necessary that you take estrogen therapy for short duration of time and only after consultation from doctor.