Going upwards?
Unless my understanding of doggy style is considerably different to yours, the cervix is usually lower than the arsecheeks in this particular position.
( LimeyTreat Bitch. Lover. Child. Mother. Sinner. Saint., Mon 22 Jun 2009, 21:14, archived)

Ha, she shit herself.

( Wicca'd Witch needs ideas for a new sig on..., Mon 22 Jun 2009, 21:17, archived)