If I’m not mistaken, lactation only occurs during pregnancy or after birth when the body has the correct hormones. I have never heard of non-pregnant women randomly lactating, yet there are men who do.
I understand men can develop the correct “equipment,” but why would they be experiencing the hormones needed to cause milk production when they aren’t pregnant? Women are capable of pregnancy but their bodies don’t make milk randomly.
In: Biology
Both men and women have mammary glandules, this means both male and female breasts are technically capable of producing milk.
In the case of men, the mammary tissue is very underdeveloped and pretty much non functional, in women it’s much better developed and its functional, what causes this difference is mainly the hormone prolactin. Prolactin activates the mammary glans and women produce more of it during their life, men produce so little the glandules just don’t work and don’t grow… When prolactin increases, the glandule gets more active, this is how women can go from having a developed mammary glans that is not “active” to it produce milk, this happens mainly after childbirth so the baby can feed.
Because this is not an exclusive female trait but rather something that only is induced by the body in females, it can happen that this is induced in a male because of a rise in prolactin…
Think about prolactin as batteries for the breasts, the more you have, the more it works, and men simply don’t produce because they don’t need to make it work
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