Opinions?

I was on the depo then started the pill in July. My last period was February 1st.. I went through 3 packs before having my next period September 13th through the 19th. Started my new pack on the 17th, but stopped taking them on the 23rd because I still have horrible side effects. On the 27th I had unprotected sex and he finished inside. On the 28th I started a “period” from stopping the birth control. It’s been 2 weeks as of yesterday since the 27th. Yesterday I was nauseous all evening and today I woke up nauseous and ended up throwing up. I’ve felt lousy all day. Since yesterday I feel as if I’ve been starving. No matter what I eat I end up empty stomach short after. I also started to spot this afternoon. Like a very bright red almost pink. I took a test yesterday but it was negative. We already have one child so we wouldn’t mind another. Thoughts?