Does anyone know how I can keep my gums okay? I'm pregnant and I get sick and barely move. So I need…

Does anyone know how I can keep my gums okay? I'm pregnant and I get sick and barely move. So I need to help my teeth I was brushing and one of my gums was hurting really bad. What tooth paste and mouth wash can I use that'll help I have braces so I have to keep my teeth clean and on good shape.