What is Pregnant?

Legal Definition
Pleading. A fulness in the pleadings which admits or involves a matter which is favorable to the opposite party. 2. It is either an affirmative pregnant, or negative pregnant. See Affirmative pregnant; Negative pregnant.
-- Bouviers Law Dictionary
Legal Definition
The state of a woman from conception until the expulsion of the foetus. See 32 Vt. 380.
-- Ballentine's Law Dictionary