Embarrassing. Please tell me this is normal!

Kirsten

First baby was a c section. I didn't experience any of the delivery myself. I'm almost 23 weeks now with number 2 the past couple weeks when I urinate I feel pressure. Tonight it actually looks like my vagina widens like it's opening. It's freaking me out. No blood no pain no fluid that I'm aware of. Normal?? I have an appointment next week.