I’m in need of some advice.

The problem I’m having is the the fact that my period is really hard to track. Some months I get it like usual and other months it just stops or I will get it at different times of the month (but I still get the symptoms). It wasn’t like this when I first started my period when I was 11. It was normal like everyone else’s. Now it’s all over the place and I can never tell when its coming.

Also, when I’m on my period I get the usual cramps like everyone else. Although, sometimes when I’m on my period I get these really bad cramps that feel like someone is stabbing my lower stomach that leave me throwing up, in bed for a whole day, in a fetal position in pain and then I can’t move for the rest of the day.

I was wondering if any of this was normal or if I should ask my doctor about it.