How to treat irregular and delayed periods?

Hi doctor,

I have been under a lot of stress. My period has never been regular since I have had one. So I had my period for about five days, and it was fine. Then, out of nowhere, my period gets excessively heavier to where I am stocking up on a few pads at a time. I then had my period for 16 days, and then it still was not stopping. It did not seem to have any signs of it stopping anytime soon. At that time, I was feeling weak. So I went to the ER, she took me into the room and asked me what was going on. So I explained everything from the beginning. She said she was going to put me on Medroxyprogesterone to stop my period and take one tablet for ten days. I went the next day and got blood taken out for a CBC and urinary analysis. She then wanted me to come in for my results. She said that I have iron deficiency anemia and my vitamin D was low, on top of having an infection down there. Also, my liver enzymes were slightly elevated. I finished Medroxyprogesterone. Then, I was put on 55,000 vitamin D for two months, and I take iron pills three times a day. Shortly after that, my period disappeared. I get symptoms of a period like light cramps, on occasion, brown discharge. Then, I get red or pink discharge coming out only sometimes around the time I am supposed to be on my period. I have a white sticky discharge. So it seems I am ovulating, but no blood yet. I heard about taking a pregnancy test for certain cancers and that it detects high levels of hCG. I took it, and it was negative. Plus, they would have found something in the tests they took. Also, I am not sexually active. I was told that that could also be a reason my hormones are all over. I just need a professional's point of view.