“每次月经前,我的乳房就肿胀疼痛,都不敢碰,月经后又好,这是怎么回事?”这是青春期乳房发育的常见症状。我们知道,月经与卵巢激素的周期变化有关。同样,乳房也受激素周期变化的影响。乳房是由许多乳房小叶和乳腺导管构成 “Every time before menstruation, my breast swelling and pain, are afraid to touch, good after menstruation, what’s going on?” This is a common symptom of puberty breast development. We know that menstruation and ovarian hormone cycle changes. Similarly, the breast is also affected by changes in the hormone cycle. The breast is made up of many breast lobules and breast ducts