I've got so much pressure in lower belly and in cervix I can't walk straight. I've also had to wee…

I've got so much pressure in lower belly and in cervix I can't walk straight. I've also had to wee nearly every two hours and I'm bursting for it every time. Had about two hours kip. I was gonna go shopping with mam and aunt but feel so uncomfortable ive cancelled and gine back to bed.midwife check up this afternoon though x