Help! period problems, Have not had normal cycle since Feb.?

I enjoy a two year mature son and a 7 month elderly that be born second Dec. Since Feb. my period own not be right. In Feb. I have interval that last for nearly 14 days and it be severely bulky. So much so that I have to use pad and tampons. Then it finally stopped and started bck inwardly a couple of weeks. Have be spotting to have large spell every since. Went to Dr. twice he did ultrasound and uterine biopsy and every blood testing possible. He put me on BC pills to fix cycle. First 2 months did not work at adjectives, later finally they seem to be working. Stopped bleeding for roughly speaking 2 weeks later have cycle according to when the pills said I should. I am on the second week of pills for this month and am have bulky time again. This is getting to be exceptionally frustrating. My husband is starting to get the impression neglected. It have put sex time at a standstill. I am miserable from cramps and other PMS symptons. Also have tubal after closing C-sec.
Answers:

Can Seasonale birth control?

I own friends who hold have tubals mess up their period. This sensitive of bleeding can also be related to an infection.

I would recommend getting another view and preferably from someone that does not share equal department of the doctor that you currently see to see what they ruminate is going on.