4 major dangers of having sex during menstruation

　　Menstruation is female It is a unique physiological phenomenon. During the menstrual period, various parts of the body will undergo some changes. The most prominent change is: the excitability of the cerebral cortex is reduced, and the body's resistance is worse than usual. in genitals Uterus The endometrium sloughs off and bleeds, the uterine orifice opens, and the alkaline menstrual blood neutralizes the acidic environment of the vagina. The acidity of the vagina decreases, weakening the natural barrier function. 4 dangers of having sex during menstruation:

　　No. 1. Urethritis

　　Menstrual secretions entering the male urethra may also cause urethritis.

　　No. 2. Endometriosis

　　During menstruation, due to uterine contraction during sexual impulse, endometrial fragments can be squeezed into the pelvic cavity, causing endometriosis, leading to infertility occurrence.

　　3. Generate sperm Antibody

　　During menstrual intercourse, the sperm meets the overflowing blood cells at the damaged endometrium and even enters the blood, which can induce the production of anti-sperm antibodies, leading to immune infertility , infertility.

　　4. Extended menstrual period

　　Due to the excitement of both parties, penile insertion will cause congestion in the female genitals, leading to increased menstrual flow and prolonged menstruation.