Women have been tested for estrogens (as described for ovarian gland differentiation), and they may also have some residual hormones in their reproductive system but in any case no research has yet assessed what the extent to which these can affect fertility. More research is required to understand the roles estrogen plays in women's reproductive function, and the factors that influence the overall fertility profile of women, as they attempt to determine and assess women's fertility. To date this research has required extensive research to assess the various biological effects that estrogen does in the human body. We have discussed and shown that some estrogen hormones affect ovulation or differentiation (e. , estrone 2 / 2 -fats), and, while they may be important, they often do so within the cells of your ovaries. Most estrogen-related physiological changes occur in the ovary, with some estrogen-related cell divisions and cell death, which may change the overall ovarian function of your reproductive system. When estrogen is present in your body, it affects you, which can lead you to lose or even stop ovulation and fertility altogether. It may also trigger some hormonal disruptions, including side effects because of the estrogen that is in the ovaries. These hormonal disruptions may include: low self-esteem such as shame and depression,. and infertility.