Bloating and constipation at 21 weeks

Omg I have been doing so well as far as eating lots of fiber and foods and drinks that help me with the bloating and constipation but one night of cheating and eating cheese and fried chicken and not drinking as much water as I usually do has my stomach feeling like I’m 8 months 9 months pregnant!!! It’s just crazy how one day how you eat can through off my wholeeee digestive tract ,,, lollll but ladies have you taken probiotics during your pregnancy ??I’m gonna start today ??? I feel like my stomach and butt is so heavy lolll