Since the beginning of the year my periods have been crazy.

January Nothing

February 9days

March 8days

April 11 days

May 2days

My cycle is usually only 5 days. Never more never less. And for these last 3 months have been having blood clots coming out the blue with random bleeding. Now for about a week my stomach has been in so much pain and also now a weird smell from my lady parts. Have been check for everything w/ no infection or STD ( good I didn’t won’t to have to hurt my boyfriend ) I just need help with this. And need to know what kind of maybe doctor I need to see because mines is no good.