I had my 4th <a href="https://glowing.com/glow-fertility-program">IUI</a> on 1/20/16. Never felt any symptoms in past IUIs. But yesterday I had slightly sore breasts. My nipple even hurt or was sensitive at some point. I even commented to my husband that my uterus felt funny- sore or funny pain feeling. It's hard to describe. Today, my breasts are still sore. My nipples aren't as sensitive. And I feel pressure in my uterus. Could this all be nothing or could this possibly be early signs of something?? What do you think?