30 weeks and just not feeling right? Tmi

I woke up nauseated and with a massive headache. As the day goes on I've noticed my stomach tightening so hard it makes me pee...I'm sure it's pee and not my water. I've also been feeling a pinching and stabbing feeling deep up in my vagina. I'm guessing this is just normal for nearing the end but figured I'd see what people think. I tried calling my doc but was on hold 30 min