Fluttery feeling

I've had a period recently but they've never been that heavy but they're regular always have been. I was pregnant once before but had a miscarriage in 2019 but I've been having unprotected sex in my fertile window as well according to the app but anyway Saturday, last week I felt like a very noticeable flutter like not gas this feeling was very distinctive it felt like "123" And "456" Right in my lower stomach and since then I feel it every now and then but not as fast kinda like little twitches, plus my lower stomach is very bloated. I'm not even sure if I can get pregnant yet 🤷‍♀️ last pregnancy I missed my period so idk.