Woman Wanted (1999)

Story of a woman (Hunter) who comes to work as a housekeeper for a widower (Moriarty) and his grown son (Sutherland) and of their attachment to her to the point that she is asked by the father to marry... to the dismay of the son who also loves her. But the animosity of the two men toward each other is finally resolved when she becomes intentionally pregnant, possibly by one or the other as she goes to bed with both men within a matter of days, causing neither to win her for himself, but both to become bound together because of the child.