If you've had it before you really should be having follow up consultations during this pregnancy probably even before now to help with prevention. First pregnancy I got it just before 20 weeks and second pregnancy I got it at - wait for it - 12 WEEKS! And was pretty much bed ridden and on restricted movement from that point onwards. So please know that unless you do post pregnancy rehabilitation work for PSD it will in most cases come back and earlier. Mine was a little bit earlier too due to an old disc problem but from what my physio told me I really should have been doing Pilates between pregnancies to strengthen everything to prevent it being as bad. Of course its a hormonal thing, and with all the relaxin in your body its like your spine is resting on a bed of blancmange, but the more you strengthen those other muscles the less problems you have.

Goodluck hon! It sucks BIGTIME!