[Paddlewise] upside down and not burped

I recently figured out why I don't seem to be able to do easy wet exits.  
As soon as I invert, the air in my drysuit goes uphill and seems to expand 
the formerly most downhill area of the suit (and I don't mean the legs).  Since 
I have a women's relief zipper, the expansion of this seat area causes the 
zipper to catch on both sides of the cockpit as I exit, so I have to literally 
pry myself from the cockpit.
   Now, I know the idea is to burp the suit before I start paddling, and I do 
that.  But it isn't enough.
    So any of the other ladies out there have this problem?  Any suggestions? 
(and yes, I am on a weight loss program). 
    Thanks!
           Pam in Washington State



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