This comes from the urine of a pregnant mare that contains various types of Estrogen. But only half of the Estrogens content in Premarin is found in human beings. If Premarin is not suited in a person s system, it will result to the following side effects: A person experiences bloating and swelling in some areas of the body that may seem very unusual. Other beneficial effects of estrogen are: Reduce night sweats Reduces the risk of colon cancer Improves pelvic musculature Avoid loss of collagen in the skin However, besides its promises, estrogen has also increased the number of severe concerns because there are dangerous effects that could possibly happen with some women. Low production of estrogen has relatively strong effects to the normal functioning of a woman s anatomy. Low estrogen production, causes irregularities in the menstrual period of some women. Compared to other normal estrogen producing individuals, these people produces small amount of menstruation. It can also be a reason for some emotional problems like depression and aggression towards other people with no valid reason. An estrogen therapy is a therapy for the body, emotional and health-risk factors linked with menopause. It can be in the form of a pill, patch, cream, implant, injection or vaginal ring. Who should take the estrogen therapy? There is no exact answer for this since every woman has her own medical record and desires. This is why most of the women in the United States make use of the Estrogen cream that are made up of natural ingredients. The cream is available only with the doctor s prescription. There should also be a proper specification of dosage in order to avoid some unnecessary effects on the woman s vagina, especially if it is used to treat dryness. Everyone including men must also know the importance of estrogen and progesterone in the women body. Men should also know that they have these hormones in their body but are found in minimal or sometimes in negligible amount. The hormone that is dominant to men is called testosterone. However, if a man has many estrogen and progesterone in his body, he may have the identifying characteristics of women.