Should I be worried???

Crystal • I am not a first time mommy i have a beautiful 5 yr old son and another baby boy on the way I am so blessed 😌👏😍
I don't know y my body has been swelling up my face has been swollen for at least a week and my feet well they have always been swollen since I got far in my pregnancy but I know those are the signs of preeclampsia but every time I go see the doctor they don't find anything I'm always fine so y am I swelled up like this I don't even eat salt and I drink water I'm confused