What disease can menstruation cause in the same room

During menstruation cohabitation may cause infection of pathogenic bacteria, endometrial inflammation, and even chronic pelvic inflammation resulting in menstrual dripping, and even excessive menstrual flow. In addition, during menstruation cohabitation may also cause menstrual blood reflux to the pelvis resulting in pelvic endometriosis, resulting in abdominal pain, increased menstrual flow and secondary infertility risk.