When women's private parts turn black, people always think that sex is too frequent. This is not the case. The reasons for the darkening of women's private parts include age, pregnancy hormone secretion, improper nursing, etc. Why do my private parts turn black? 1. Age factor, progesterone As women age, their private parts become darker and darker. In addition, women will secrete a large amount of progesterone after pregnancy, and the private parts will become darker after feeding the baby. In addition, if excessive use of inferior products will also increase the blackening of the private parts, because some products will contain a lot of prohibited ingredients, long-term use will not only lead to gynecological diseases, but also make melanin deposition. 2. Excessive pressure Now women's work and life stress will lead to endocrine disorders, which accelerate the speed of darkening of private parts. The stimulation of some gynecological diseases can also cause the private pa...