Although clinically biochemical pregnancy but the body’s hormone level will also change accordingly. If early coitus is not good for the body, it is best to consider coitus half a month after the complete clean up, to do a good job of contraception, if not contraception, the resumption of ovulation will also have the possibility of pregnancy, the best contraceptive method, is to use a condom in the whole sex life contraceptive. It is also recommended that if you want to get pregnant, you must plan to get pregnant, do a good job of physical health checks, dietary adjustments, and oral folic acid tablets, which is conducive to eugenics, and stay away from second-hand smoke during the planned pregnancy, and pay attention to the hygiene of sexual life, to avoid infections caused by coitus, which require medication and have an impact on the fetus.