Beetlejuice Ghost-life: The waiting

Sequel to "Preparation" Both Lydia and Beetlejuice has already been through at lot together, but now Beetlejuice's loyalty to Lydia will be put up for a test when Lydia gets pregnant and he know that no dead can give life. have Lydia really cheated on him or is there more secrets in the Neitherworld he doesn't know of?