Estrogen, as defined in the modern medical dictionary- does not only pertain to a single compound but is rather made up of groups of steroid compounds. While it is present in both male and female, it has higher concentrations in female, because it is the one responsible for the promoting of female secondary characteristics. During this period, estrogen is found in a normal state. However, if menstruation is noted, that is the time where estrogen is found in a higher level. This is normal because of the release of corpus letuem found inside the eggs cells during this stage. However, there are also moments that the production of estrogen is beyond normal. Seeds such as anise seeds, chickpeas, cowpeas (black eyed peas), flaxseeds, red beans, sesame seeds, soybeans, split peas, sunflower seeds, and others; and 4. Other foods such as Alfalfa , Animal flesh, Baker's yeast , Beets , Dairy Foods, Dates, Eggs, Fennel , Hops , Oats , Olive oil, Olives, Plums , Rice , Sage , Wheat , Yams , and others. 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. It is very important for women to have a consistent amount of natural estrogen produced in their body. Aside from the aforementioned physical attributes that distinguish women from men, it is also essential in some body functions. Anatomically, women should have normal estrogen in the body for normal functioning. However, if a man has many estrogen and progesterone in his body, he may have the identifying characteristics of women. Men who have these hormones in huge amount appear to have bigger than normal male breasts, smaller body mass and some other sexual characteristics of women. Thus, it is important that estrogen and progesterone are of least amount in a male s body.