I don't know the answer to this and probably worth posting on the ivf thread and asking Ghost as he will probably know and will answer on there.The only thing I would say is that you hear of plenty of men this age and a lot older having kids so I don't see why this would be a problem.
Ange
Me - 32 DH - 37
IVF 1: BFN IVF 2: BFP!
Freddie was born at 14.09 on 29/03/10 at 8lb 14oz.