Normal sex for women in their 40s has benefits such as stimulating the secretion of sex hormones and enhancing the couple’s relationship, but it may also lead to the occurrence of vaginitis, urinary tract infections and other bad things. 1. Benefits: (1) Stimulate the secretion of sex hormones: Sex can stimulate the human brain, thus promoting the pituitary gland to secrete gonadotropins which in turn promote the secretion of estrogen and other female hormones, reducing the occurrence of premenstrual syndrome and menopausal syndrome. (2) Enhancement of conjugal love: Sex between husband and wife can also enjoy physical and mental pleasure, relieve some of the pressure, so as to narrow the distance between husband and wife, enhance the relationship between husband and wife. 2. The downside: If you don’t pay attention to personal hygiene before and after sex, it may lead to vaginitis, urinary tract infections and other diseases, which in turn affects your normal work and life. For women in their 40s, it is recommended that they can have regular sex, but they should pay attention to avoid menstruation and pay attention to cleanliness before and after sex.