Women of childbearing age men how to achieve to eugenics?

<p> Eugenics is a couples take certain measures to be descendants of the genetic quality. </ p> In eugenics, husband and wife have equally important responsibilities. <! - AFP Control Code / Caption. left vertical banner -> < .! - AFP Control Code End/No.--> <p> It is generally believed that the father in the body of toxic substances, such as stock is available through three channels affect fetal: ① toxic substances directly damage sperm, damaged sperm .and egg cell, it can cause birth defects; ② toxic substances dissolved in semen, can produce eggs, and embryos, lead to damage of teratoma; ③ toxic substances directly affect hormone secretion, decreased male sexuality, sexual effects of female sexual function, preventing .a fertilized egg in the uterine wall. </ p> <p> Therefore, in order to eugenics, hope for the father's child-bearing age men should avoid frequent exposure to various toxic chemicals, in particular, should eliminate a large number of smoking ., alcohol consumption; where the suffering of varicocele, reproductive tract infections and Orchitis, women of childbearing age men should receive treatment for these diseases may also affect sperm quality. </ p> <p> In addition, you should be aware of the next .of kin can't get married, have a serious hereditary diseases, infectious diseases, patients should avoid reproductive or extension of fertility, the best in the reproductive age 35 years ago. </ p> <p align="right"> (Edit .: swimming practice Qi) </ p>.