Due to the resistance during ovulation will be significantly reduced, in order to sperm smoothly into the uterine cavity, the cervical opening is also open, but also give pathogenic microorganisms and opportunity to take advantage of, so female friends must learn to self-protection, and try to avoid contact with possible disease-causing factors, in order to prevent infection of the disease. 1, prepare for their own special toiletries, including towels, washbasin, bath towels, etc., do not mix with others; 2, adhere to the daily cleaning of the vulva and perianal area, to use flowing water, to prevent the vagina from being infected by bacteria; 3, drink plenty of water, do not hold urine, to prevent urinary tract infections; 4, clean up the anus and vulva around the anus and vulva after defecation, try not to let intestinal bacteria infected to the genital organs; 5, choose sanitary napkin 5, choose sanitary napkins, pads and supplies to choose less chemical composition, as far as possible, does not contain additives, spices, etc., so as not to irritate and infect the vulva; 6, try to wear cotton underwear, keep the vulva breathable and dry, tight pants to wear less; 7, underwear and outerwear to separate cleaning, and can not be washed at the same time with family members, so as not to cross-infections. And it is better not to use detergents that are alkaline, such as detergents.