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保健专家早就指出:性交前后坚持清洗外生殖器是一种良好的卫生习惯,其益处多多。一是可以防止感染。在男女外生殖器的粘膜外有很多皱襞,它极易藏污纳垢。对于男性来说,其包皮与龟头之间存在的白色包皮垢中含有大量病菌,性交时,这些污垢很容易把病菌带入到女子阴道或尿道里,引起膀胱炎、阴道炎等;对于女性来说,其会阴部、大阴唇皱襞内常有很多细茵滋生,性交时也会被
Health experts have long pointed out: adherence to the external genitalia before and after cleaning is a good health practice, its benefits a lot. One is to prevent infection. There are many folds in the male and female genital mucosa, it is very easy to dirt dirt. For men, the foreskin and glans exist between the white smegma contains a large number of bacteria, sexual intercourse, these dirt is very easy to bring bacteria into the vagina or urethra in women, causing cystitis, vaginitis, etc .; for women to Said that the perineum, labia majora wrinkle often have a lot of bacteria breed, will also be intercourse