In the clinic, many infertility patients ask: “Can I have a child while taking medication?”. This is a choice that should be made on a case-by-case basis. What are the conditions for which “contraception” is recommended during treatment? 1.Having congenital genetic diseases, serious underlying diseases or infectious diseases; 2.Taking medicines that clearly affect fertility, such as antibiotics, hormones or chemotherapy drugs; 3.Multiple miscarriages within a short period of time; 4.The couple is relatively young, not yet at the optimal age for childbearing or within the optimal age for childbearing, without serious illnesses or other problems. Within the optimal fertility age, there is no serious disease or other problems, there are some common diseases affecting fertility, such as: female menstrual disorders, fallopian tube obstruction, gynecological inflammation or polycystic ovary syndrome; male has a general degree of oligo, weak, abnormal spermatozoa, seminal fluid not liquefied or prostatitis; because of this time is still young, there are still more opportunities for childbearing in the future, it should be the treatment of the main body of both sides of the physical conditioning of the health of the birth of more good. In addition, because “medicine is three times poisonous” can not be 100% guaranteed that the treatment drugs (including traditional Chinese medicine and Western medicine) will not have an impact on the embryo, so in this case it is recommended that “contraception”.