2 periods in one month??

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Alright ladies on my postpartum appointment which was the first Tuesday of this month I started birth control (pill) i was told by my Dr that, that weekend I was going to get my period which I did it lasted 6 days now it's been 15 days since my period stoped well I just went to the bathroom and I'm bleeding is it possible for 2 periods? I mean when I started bc I had already stopped bleeding from giving birth so it was my period like my Dr instructed I mean I had cramps and everything but today also I'm cramping a bit.. so what the heck is going on with my body I'm hoping someone has some insight maybe someone has gone through this.. I did call my Drs office but come to find out they close at noon on Fridays 😱 so I have to wait till Monday to speak to her.. till then lady's help a girl out what y'all think?