A woman in Portugal informed her doctors that she was experiencing discomfort in her right armpit just two days after giving birth.
According to a new study in the New England Journal of Medicine, when the doctors examined her, they noticed a “round, hard” lump that “released a white discharge when pressed.”
Dr. Cristiana Marinho-Soares and Dr. Maria Pulido-Valente, both of the Hospital de Santa Maria in Lisbon, Portugal, figured out that the discharge was breastmilk.
According to the doctors, the woman was diagnosed with polymastia, which is “a disease in which supplementary breast tissue grows along the old embryonic mammary ridge.”
Research suggests that between 2% and 6% of women are born with extra breast tissue. And says that they should be taken into account during routine breast cancer screenings.
When the cells that become mammary glands create a line from the armpit to the groin during embryonic development, this extra tissue develops. Mostly in the armpit area.
Except at the locations for the breasts, this “mammary ridge” or “milk line” usually fades as the foetus grows. But sometimes it can sometimes persist and extra breast tissue forms at these spots in the body.
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