Baby feels like he’s going to pop out

Hey everyone, I’m currently 28w 5days, I’m on hospital bed rest due to incompetent cervix. I’ve been dilated to 1cm since week 26. Lately I’ve been feeling fine but today when I stand for a bit I either feel like I have to pee or I literally feel like the baby or something is literally about to fall out of my vagina. My baby sits very very low so idk if this is normal because of how he’s sitting or if I should let the nurse know . I also have been having pains today I’m my sides but it kind of feels like round ligament pain and it’s not too too painful so I haven’t said anything yet. What should I do? What do some of you think?