Former model Lady McCartney lost a leg in a road accident in 1993 and is understood to have steel plates fitted in her hips which would make natural childbirth difficult .
Heather , 35 , who lost a leg in a road accident , is thought to have steel plates fitted in her hips , which would make natural childbirth impossible .
The dispute between Monday in Illinois vs. Telemarketing Associates was acknowledged  by the Supreme Court