Breast spillage in 26 weeks of pregnancy may be caused by breast disease, nipple capillary damage, intraductal papilloma and other reasons, which need to be checked in time. 1. Mammary gland diseases: 26 weeks pregnant breast overflow may be caused by mastitis or breast hyperplasia, mostly related to bacterial infection or endocrine disorders and other factors, usually need to pay more attention to care, but also to maintain a good state of mind, will help to improve the condition. 2. Nipple capillary damage: estrogen secretion increases during pregnancy, which can easily cause breast swelling and capillary expansion, and breast extrusion can lead to capillary damage and bleeding, resulting in a slight bleeding phenomenon. Normally, we should pay attention to hygiene and cleanliness to prevent serious infections, and the local area can be sterilized with povidone-iodine and then treated with erythromycin ointment. 3. Ductal papilloma: 26 weeks pregnant breast blood may also be caused by ductal papilloma, this time to go to the hospital to do breast ultrasound examination, and under the guidance of the doctor according to the results of the examination for treatment. Once the situation of 26 weeks pregnant breast overflow, should also consider the possibility of breast malignant tumors, it is recommended to timely medical doctors to do breast ultrasound examination, to find out the specific causes of the disease and actively deal with. At the same time, pay attention to breast care during pregnancy, do not squeeze and stimulate the breast, wear loose underwear.