It is normal for a 40-year-old woman to have intercourse 8-9 times a month, about 2 times a week on average. Normal conjugal life can enhance the couple’s relationship, can enjoy the mood, improve immunity, so that women get less gynecological inflammation, normal women every week to carry out appropriate sexual life. But some women may be 40 years old after the decline in ovarian function, vaginal dryness and unwilling to have intercourse, this situation should be timely to the hospital to find a doctor for examination, you can line hormone levels of examination, to understand the function of the ovaries, if it is because of gynecological inflammation caused by not wanting to have intercourse, should be given in a timely manner to the treatment of vaginitis medication vaginally, timely treatment of gynecological diseases, and to maintain a normal conjugal life.