These round belly sex addicts prove that pregnant women are much hornier than normal. Pregnancy doesn't relieve a woman of her urge to copulate, as Dr. Bravo soon confirms in Scene 2.
In fact, with the added hormones associated with bearing a child for nine months, she is now much more ready and willing to assuage the hot passions burning within. So Pops, if you've got a good, stiff fire extinguisher on hand, now is the time to pull it out and get busy; Mom is on fire!