妊娠巨乳是与妊娠有关的乳房弥漫性普遍增大超过生理限度。常发生于第二次妊娠。典型者在分娩后消退,下次妊娠时复发。本症由于乳房组织受正常激素刺激的异常反应所致,继发坏死、出血和感染者很多见,病死率颇高。患者28岁,孕2产0,流产2。孕妊10周时因择期流产,1周后诉两侧乳房显著肿胀有压痛并肩背部严重不适。8年前曾行择期流产,继而作2次良性乳腺肿物切除术。皮炎激素、T_3、T_4、肝功能及蝶鞍X线片正常。血清黄体酮轻微升高,生长素44.3～56.3mlu,血清催乳素66.2～150ng/ml,血清绒膜促性腺激素β Pregnancy Busty is associated with pregnancy generally diffuse breast enlargement beyond the physiological limits. Often occurs in the second pregnancy. A typical person subsided after childbirth, the next pregnancy recurrence. Symptoms of breast cancer due to abnormal hormones stimulated by abnormal reactions, secondary necrosis, bleeding and infection are many see, high mortality. Patient 28 years old, pregnant 2 producing 0, abortion 2. Pregnancy 10 weeks due to elective abortion, one week after the complaint on both sides of the breast significantly swelling tenderness and shoulder serious discomfort. Elective abortion occurred 8 years ago, followed by 2 benign breast tumor resection. Dermatitis hormones, T_3, T_4, liver function and sella radiographs normal. Serum progesterone slightly elevated, auxin 44.3 ~ 56.3mlu, serum prolactin 66.2 ~ 150ng / ml, serum chorionic gonadotropin beta