Diarrhea the last month of pregnancy...

So it's usually a struggle for me to go regularly and especially this whole pregnancy I've been super constipated I had to get perscribed with stool softener to help me out.. well I'm not sure what's happening but now I got diarrhea and I'm not even taking them anymore like this is so freaking weird for me to go multiple times a day! Is this happening to y'all's also or should I talk to my ob