Ovulation? Implantation? What's going on???

I am losing it!!! I got a positive opk on cd18. We bd on cd19 and cd20 (this morning). Now all day, even now, I have been extremely gassy and so bloated that I look 6 months pregnant. What's happening??? Oh, I also had this milky discharge when I wiped earlier today but not anymore. However, after leaving the bathroom just now, there was a glob of white egg-looking stuff in the toilet. Never been pregnant before and trying, so I don't know what to expect. 🤷‍♀️