"Sex adult product factory" said the yin and yang, the male yang and female yin. Although women are yin, but it should remain positive uterine state, which is to be healthy to keep warm. Although men are yang, but they must hold the testicles overcast, cool it is to be healthy. So, a woman's reproductive system is the most cold. A direct result of the female lower body cold winter palace, "Sex adult product factory", said in addition to cold hands and feet, dysmenorrhea, it will also result in a weak libido, lack of desire. Palace of the congestion caused by cold, leading to an increase in vaginal discharge, vaginal health environmental decline, causing pelvic inflammatory disease, endometriosis. Therefore, a good lower body warm work, women can avoid a lot of gynecological diseases. "Sex adult product factory" Chinese often say "warm house pregnant child", as long as the uterus, pelvic blood through, eliminating inflammation will naturally pregnant with the baby. So healthy, "Fortunately, pregnant" belly is warm, soft.