Reproductive technologies and breast cancer

In this paper we consider the probability of influence hyperestrogenia during fetal development of female on the risk of breast cancer. It is shown that the use of reproductive technologies using synthetic hormones and xenobiotics with estrogenic action of mutagenic effects at high risk of neoplastic processes in the breast tissue in adulthood among children born female. The substantiation of the need to control doses and concentrations estrogen drugs during conception and gestation. It is necessary to study the use of hormones and their analogs in reproductive technologies as predictors of breast cancer.