Nine-valent refers to the HPV 9-valent vaccine, which is a vaccine to prevent cervical cancer. It is not recommended to take the HPV vaccine when you are pregnant, as this vaccine may affect the normal growth and development of the fetus. The nine-valent vaccine is an inactivated virus, during pregnancy, the body of the pregnant woman’s immunity is lowered, at this time to play the nine-valent vaccine may make the virus into the body, affecting the health of the pregnant woman and the fetus. After the vaccination, the body will have certain reactions, such as fever, allergy and other symptoms, which will have certain effects on the fetus. Try not to get vaccinated during pregnancy so as not to affect the growth and development of the fetus. When vaccinated, it should be done in a relatively good health condition, if there is a cold, fever and other abnormalities need to be postponed, and must be closely observed for any adverse reactions after vaccination.