Having pregnancy sypmtoms did HPT but came back negative.

This is week 4 of pregnancy symptoms that I have been having. It's been 6 weeks since I last had my period. I am tired, nauseated on and off all day, dizzy, got breast soreness a week ago, white discharge, lower back pain, breaking out all the time with acne, bloated, no spotting at all, intercourse is feeling different like I'm tighter down there. I did a HPT in the morning and it came back negative. It's been more than 6 weeks since I had a period. My friend said she didn't know she was pregnant until she was 3 months pregnant. She did HPT too. Any advice? I am thinking of waiting a few more weeks to take another one and then call the dr. Also, about 3 weeks, I got really sick to my stomach and I thought I was going to vomit in the evening but during the day I felt totally fine. Then, 3 days later for about 2 days, I had some cramps in my abdomen, which felt different then ever before, and thought my period was going to start but it never did.

Also, my doctor put me on Provera, 10 mg, for 5 days to restart my period. I took that end of June, had my period come June 28/29 and then it was over by July 3. I was off the birth control prior to the Provera for 3-4 months.

Wondering if not pregnant, could I have ovarian cysts then accept I haven't had any abdominal pain or weight gain which seems to the common symptom of having ovarian cysts.

HELP!!!! I not too worried yet but just trying to figure out what to do