At ovulation, the mucus becomes very clear and elastic (since the degree of the hormone estrogen will increase). Due to this fact, sperm can swim in the mucus in to the uterus into the fallopian tubes, wherever fertilization can take place. Tubuh telanjang dan penggambaran visualnya selalu menarik perhatian https://judahcxtme.mpeblog.com/55701551/fuck-for-dummies