Am i having ovary problems or....?

Ok the past week I have felt like crap! I can barely eat I threw up today I'm having lower tummy pain not bad pain just annoying discomfort. Me period we 3 days early started pink then went brown then went red it was light the hole time I was bleeding not light like spoting but not a heavy period type and having was kinda painfull where my bladder is but my bladder was not full am I having ovary problems or could I be pregnant or what's going on? I'm a 19 year old and need help please!