That just means your basking area is too hot, make sure it is atleast 6 inches below your light, and your basking spot is between 85 - 95F. She could also be gravid, i dont know too much about that though, might want to ask someone that keeps female veileds.
Backwaterreptiles, though ive heard horrible things about them.. I wouldnt buy anything from them, but they do have a 100% live arrival guarantee and a 7 day extended guarantee.