I wore a brace and saw a physio that specialised in PSD. You'll need to get a list of do's and don'ts and I totally recommend where you can you follow that list. Even the way you dress or get in and out of the car can make it worse. Definitely go to the doctors and get a referral to a good physio. Post birth make sure you do some pilates or some sort of exercise to strengthen the area as I'm paying for it now with having not done anything after Paris' birth.

My back is still a bit screwy but its moreso from my disc injury that I have.

If you need anymore info let me know.

But I definitely recommend finding a physio that specialises in SPD as my first physio had no idea...

*hugs*
Cailin