Meaning of "spotting"

[all potted out]

This is about the disadvantage of HRT (hormone replacement therapy) skin patches:

"May cause breast tenderness, spotting, and bloating."

What does spotting mean in this context?

[Conchita]

'Spotting' here means that spots (usually round coloured marks) may appear on the breasts.

[Yankee]

Hi Conchita

Are you sure about that meaning? To me, 'spotting' in such a context would refer to very slight (and probably irregular) vaginal bleeding.

Amy
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Amy
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ESL teacher, translator, and a native speaker of American English

[Conchita]

I only just saw your post, Amy. This other meaning of ‘spotting’ also crossed my mind and is probably the right one in the context. However, I somehow associated the three symptoms listed to the breasts.