Why is there still milk after weaning?

Patient's question:

A woman who breastfed her child, but more than a year after weaning, she can still spit out milk, and there is a lot of it. No previous treatment history or effectiveness: No matter what kind of assistance is needed: How to make the milk completely disappear...

Doctor's answer:

The secretion of milk is regulated by neurohumoral feedback. Constantly changing diapers during lactation can disrupt the timed release of milk from the breasts. Conversely, after weaning, if the breasts do not receive suckling stimulation, milk production will gradually decrease. The duration of complete milk withdrawal after weaning varies from person to person. Some mothers may still produce small amounts of milk a year later, while others may see a complete cessation within a few weeks.
Recommendation: It may be due to a pituitary tumor. Hyperfunction of the anterior lobe of the pituitary can significantly increase the level of prolactin in the blood, leading to galactorrhea. It is best to undergo an MRI to check if there is a pituitary tumor.

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