Sweet smelling chlorine?

I’m 33 weeks today and I went to the restroom because I felt wetter than normal. When I went to the bathroom to check on things I noticed that I had a medium sized wet spot on my panties. I thought it was odd so I took my panties off and smelled to see if it was anything like I’ve heard amniotic fluid to smell like. It kind of smells like chlorine but sweeter and not as harsh. Kinda like a wet bathing suit kinda smell. It’s definitely not an ammonia smell like pee. Could this be amniotic fluid or something different? I was just at an OB appointment last week and she said I didn’t have an infection or anything (asked because I was very swollen, thought it was a yeast infection, she also checked for a UTI to be safe).