I'm confused

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So guys my period came Saturday just like GLOW predicted and it was heavy. And it was heavy Sunday so Sunday around 3 I took some ibuprofen and me and my boyfriend had sex . My period had disappeared and even Monday morning it still wasn't showing. Then a few hours later it came but not a lot . And it hasn't came back since. Today while using the restroom every time I wiped it wasn't any blood it was only light blood and barely anything there ...? What's going on ? I'm also currently taking Vitex..idk