Changes in female nipples during sex

　　The most obvious thing is that the breasts will be congested and swollen; the nipples will grow by 0.5 to 1 cm, the diameter will increase by 0.25 to 0.5 cm, and they will become erect. At the same time, as the peak of orgasm approaches, the entire breast increases by about a quarter. After orgasm, the congestion quickly subsides and the breasts return to their original shape. Obvious areolar congestion can be seen in the late stages of excitement.

　　The erogenous zone of the breast refers to the nipple and its surroundings. Most experts believe that this is an important erogenous zone on the human body, especially the nipples, which are comparable to various erogenous zones on the vulva and are the strongest stimulation receptors. Breasts and clitoris are the two major erogenous zones of women. Assuming that the sensitivity of the clitoris is 100, the sensitivity of the nipples is 80 to 85. For women whose nipples are extremely sensitive, they can reach orgasm with just a little stimulation.

　　A harmonious sex life not only helps maintain harmony between husband and wife, but also protects breasts healthy an important factor.