Hi. Very difficult to opine without seeing but if it's been there for 3-4 months unlikely it's due to any injury as clot or discolouration in skin due to injury changes colour and then gradually fades over few weeks.
Sometimes dilated capillaries of the skin look like that or there are pink mole like things (to describe in simple language) which happens in high estrogen states and one or two are common in women
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If you are concerned better to consult a doctor to be sure what it is and whether any ealuation is needed.
Answered2021-07-26 14:29:50
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