5 month PP.. Random bleeding?

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5 months PP from c-section and I also got a tubal ligation that day. My baby is also EBF. I use to always get my period on the 3rd before getting pregnant. I didn't have a period until 14 months PP with my first and when it came back it went back to the 3rd like clock work. Well this time at 4 months PP I eneded up getting my period then and also on the 3rd. This month around that time I felt crampy and like I was going to start but never did.. Well this last week I haven't been feeling well.. Upset stomach, sore body and cramping. Well here we are on the 17th and I am now bleeding mildly and its light pink.. Has anyone else went through this??