Oral sex may transmit mycoplasma and chlamydia. Mycoplasma chlamydia is the presence of flora in the external environment, under normal circumstances does not cause infection, only when a person’s immunity is low, easy to infect mycoplasma, chlamydia and other diseases, genitals, urethra, these hidden parts of the body are easy to be infected, so in the sexual behavior, sharing underwear and underwear behavior, the risk of infection is relatively high, oral sex may cause infection. Generally, when a sexual partner has mycoplasma and chlamydia infection of the reproductive system, both partners need to be treated at the same time, and intimate clothing, underwear, towels, etc. need to be washed separately, and sexual intercourse is prohibited during the treatment period. If you suspect mycoplasma and chlamydia infection, please diagnose and check in a professional hospital in time to avoid delaying the condition.