Pool Chemicals - Early Pregnancy

I'm nearly 6 weeks pregnant and am taking a vaginal suppository of progesterone once a day before bed, because my progesterone level was 17.5 and my doctor wants this level over 20. It's getting really hot out now, and I'm really wanting to go swimming in my family members pool. I know swimming is great exercise for us pregos, but will the chemicals in the pool interfere with my progesterone levels increasing?