I keep on leaking what I think is urine…. Every single time I get up/ walk around, get up from going pee… I’m 36 weeks tomorrow

Today I checked the mail at work and I def felt something come out… checked myself in the bathroom and it smells like super strong ammonia smell…. Is that just my urine? It’s never smelt like that before & I can smell it on myself all over work 🥲