Why does yellow water come out of the nipples of pregnant women?

Pregnant women should always pay attention to changes in their breasts during pregnancy, because changes in the breasts represent the lactation period and whether they can breastfeed the baby smoothly. Many pregnant women will find that some yellow water can be squeezed out of the nipples. This depends on whether it is a nipple infection. It is also possible that the breasts are secreting colostrum in early stages in preparation for lactation. The specific details need to be known through examination.

Generally speaking, if nipple discharge occurs on both sides, it may be a physiological or systemic disease. For example, when a newborn is born, the level of estrogen brought from the mother's blood is high, and a small amount of milk may be secreted within 1 to 2 weeks after birth. Galactorrhea-amenorrhea syndrome caused by hypothalamic-pituitary lesions in adults, etc.

If the nipple discharge is unilateral, it may be a pathological change, and is mostly a local lesion, such as benign mammary duct lesions and breast cancer.

If it is a multi-porous discharge (carefully observe whether the discharge is from one point or multiple points), it can be seen in physiological cases, and can also be seen in cases with a larger range of lesions, such as mammary duct dilatation syndrome, breast hyperplasia, etc.

If the discharge is from a single hole, it may be caused by lesions in a certain duct, such as intraductal papilloma, intraductal papillary carcinoma, etc.

Don't always stimulate or squeeze it. If there is a problem, squeezing will cause the bacteria to flow back into the mammary ducts.

If the overflow occurs spontaneously, it usually means that there is a large amount of fluid accumulated in the catheter and it is still being secreted, and it is likely to be a pathological overflow with a large range. If the overflow is caused by squeezing, it means that there is less fluid accumulated in the catheter. The overflow after squeezing a certain part often indicates that the part may be the location of the lesion.

Careful observation and identification of the characteristics of nipple discharge is of great significance in finding the cause of the discharge. Generally speaking, milky discharge often manifests as spontaneous bilateral multi-porous discharge during the non-lactation period. Its color and properties are like skim milk. It is mostly caused by hypothalamic dysfunction and abnormally elevated prolactin levels in the blood.

Serous discharge is often squeezed out, and a few cases are spontaneously discharged, often wetting clothes. It can occur on one side or both sides. The discharge is thin, transparent, slightly yellow or brown or viscous. It is mostly caused by benign breast diseases, such as fibrocystic fibrosis, mammary duct ectasia syndrome and intraductal papilloma. A few cases of serous discharge can be caused by breast cancer.

Watery discharge is often unilateral and is thin, colorless, and like clear water. It is often caused by tumors. Some breast experts often say that about 50% of watery discharge may be caused by cancer.