Need help!

I was due for af on the 3rd. I haven't started and get negative testing. Diagnosed with pcos so I've been dieting and taking vitamins to control pcos. I've been feeling these weird sensations around my uterus and ovaries. It's not pain but more like tingling or when you get the chills. I've never ever felt this before. Me and my husband have been ttc for a good while now, maybe 4 years. I am over weight but I'm loosing it to help control my pcos as well. Any advice as to why I'm feeling these tingling/chills sensations?