1 off bleeding and next week had regular period ?

G • Jan. 30 I had a tubal reserval done so praying one day I`ll have a fourth child soon.
So this month I had very lite pink mucus looking stuff for about 5 days to enough to get on a panti liner or when I wipped, then the next week had a regular normal period, okay so did I have 2 periods, main question is what th heck was th first one I've taken tests neg. Results so I'm clueless on what th first was it's so very odd ? Didn know where to post this one at so sorry of I do it in the wrong place.

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