Nine-valent is also known as the nine-valent HPV (human papillomavirus) vaccine. There is no mandatory rule that you can’t get pregnant within a year after taking the nine-valent HPV vaccine, and you can consider getting pregnant in 3-6 months. The nine-valent HPV vaccine mainly prevents the occurrence of cervical cancer, and will not cause harm to the body, will cause the body’s immune system to produce a response, so as to produce effective protective antibodies, generally will not affect the quality of the egg. However, it is not certain whether it will have an effect on the fetus. It is recommended to consider getting pregnant 3-6 months after the vaccination, and there is no mandatory requirement that you can get pregnant after one year. Half a year after the nine-valent HPV vaccine, the side effects of the vaccine on the body will disappear, it is more suitable for pregnancy, you can consider preparing for pregnancy for three months, and then arrange for coitus after ovulation, the chances of pregnancy are higher. In clinical practice, it is recommended to consult a healthcare professional after receiving the HPV vaccine to understand the specific precautions for pregnancy.