I was over 200 with each pregnancy, with my 1st I was sick so much I lost weight till month 7 and then only gained 15 lbs. With each one the sickness lasted a shorter time and I gained a little more but never more than 25 lb and lost most of it afterwards.
Good luck to her!
November 2012 - May 2013 I Lost 88 lb on IP
Restart started August 2013 - see ticker for new goal & weight loss so far
Hubby Lost 61 lb and is in maintenance!!