This is great news for them, assuming they wanted children. I can't imagine what the pressure must be like.
Well especially for Kate who would have had to have undergone various examinations to make sure she could actually provide children before the wedding - it's nice that she's pretty and can smile and stuff but her main function is broodmare.
Still at least it's not like the old days where the Home Secretary
would be present at the birth, I think Prince Anna's birth was the last one a HS attended