多乳头(副乳头)并不少见,男女均可发生,女性多于男性,且常有遗传性,副乳头一般位于正常乳房的下内侧,即在正常乳房与肚脐之间,或在正常乳房上方近腋窝处。在经期、妊娠期或哺乳期,多余乳头会肿胀疼痛,甚至分泌乳汁。由于多东乳头可 Multi-nipple (accessory nipple) is not uncommon, both men and women can occur, more women than men, and often hereditary, deputy nipple is generally located in the lower inside of the normal breast, that is between the normal breast and navel, or above the normal breast Near the axilla. During menstruation, gestation, or breastfeeding, excess nipples can swell and even accumulate milk. Because of the many East nipples can be