the male doctor universe, is the alternate universe that is inhabited by people who are the opisate gender to those in the female doctor universe ie Terry whom is a boy in the female doctor-verse has a female counter part (Terri) whom exists in the male doctor-verse, the young lady the doctor helps return to her to her universe is the male docotr’s universe as such at the same time it seems the male doctor has helped her counter part, a young man return to the female doctor’s universe there are belived to be more universes this is the multi-verse theroy
Doctor Audio Adventures 