It is also necessary that you see your doctor at least twice a year while you are taking the medication to avoid complications. Estrogen for post menopausal women can also lead to gall bladder disorder. You must be aware about the effects of estrogen medications while you are taking it. Consult your physician immediately if you notice that there is bleeding that takes place in your vaginal area. Most women still use estrogen pills perhaps: Have not heard anything about the life-threatening danger it could give. These women have no idea of what is happening around them. Perhaps, she did not even know that such report exists. Simply do not care at all. This may be the same as the first situation. Women are pre dominated by these hormones that they appear to have smaller hips, bigger chest, slimmer body and firmer skin compared to men. These particular hormones are also the reason why women menstruate. Women who lack such sex hormones often have different physique that is closer to males. Usually, if women do not have enough estrogen and progesterone, they appear to have smaller breast and masculine appearance. The Effects of Low Estrogen Production in the Body As the women grow older, the production of estrogen decreases resulting to the last stage of menstruation, which is better known as menopause. Estrogen is the main hormone responsible for the cessation of menstruation. Many studies have proven that low production of estrogen in the body causes the permanent absence of menstruation. Without these hormones, we are likely to acquire different sickness and deficiencies as well. And one of these hormones is the estrogen which is a vital for every woman in this world. Estrogen is one of the most important hormones in a women's body. It provides some identifying features of a woman such as bigger chest, smaller hips, and a firmer skin. Estrogen Replacement Therapies its Pros and Cons What is Estrogen replacement? For a guy, its one of those subjects that would least interest them to know. But for women, this is vital information that could be very vital for them. Estrogen For starters, oestrogen functions as the primary female sex hormone composed of a group of steroid compounds, named for their significance in the oestrus cycle.