I had the same thing for the first 20 or so weeks of this preg and it was awful. I actually did a thread looking for advice and got some great advice – https://www.bellybelly.com.au/forums...i-ahem-169393/

I found Benefibre was the only thing that worked for me. I think I was having it 3 or 4 times a day, but it got it moving and allowed me to be comfortable. HTH