There is a lack of validated evidence on the effects of cervical cancer vaccination after pregnancy, and animal studies suggest no adverse effects of cervical cancer vaccination after pregnancy. No adverse outcomes such as adverse pregnancy outcomes or offspring malformations were seen in animal studies with the HPV bivalent and quadrivalent vaccines. The incidence of fetal congenital malformations and spontaneous abortion in women who were accidentally vaccinated during pregnancy was comparable to that of the general population. Whether HPV vaccination has any effect on pregnancy is not conclusive at this time. HPV vaccination is not recommended for women during pregnancy, and HPV vaccination is not recommended for women preparing for pregnancy. Contraception for 2 months for women who have completed the last dose of HPV vaccination. If you become pregnant during vaccination, stop the vaccination and postpone it until you finish breastfeeding. If you are pregnant and accidentally receive cervical cancer vaccination, consult a medical professional promptly and give appropriate treatment under medical supervision according to the specific situation.