Under normal circumstances, 30-year-old women, it is recommended to have sex about 7 times every 20 days, if sex is too frequent, it is not conducive to health. 30-something women are at the peak of fertility, estrogen levels are high, sexual demand is strong, so should be kept in 20 days about 7 times sex, can maintain women’s vigorous energy. If a woman in her 30s is abstinent and does not have sex for too long, it can lead to an increase in estrogen levels, which may induce ovarian cancer and breast cancer, so it is best for a 30-year-old woman to have sex about 7 times every 20 days. It is recommended that both parties pay attention to personal hygiene before and after sex, wash their genitals, move gently during sex to avoid vaginal damage, and pay attention to contraception when having sex to prevent unwanted pregnancies if there is no need to have children.