I don't think a slightly long AF once in a while is bad - perhaps with the surgery and the estrogen (which might have built up your lining a bit more than usual) this is strange. You are still under 1 week of regular bleeding, so a few more days of spotting isn't unusual. are you done with the estrogen cream now? The heavier cy might have been from the Fertility Blend, too (more lining or something).

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