Yes, female deserts can die quite easily due to becoming eggbound, which seems quite common in this morph.
I can't give you an exact number as those who worked with the desert gene usually kept pretty hush hush.
http://www.reptilescanada.com/showth...tion-egg-bound
http://radioactivereptiles.blogspot....roven.html?m=1
http://www.faunaclassifieds.com/foru...=333250&page=2
http://www.captivebredreptileforums....rt-female.html
