Furthermore, even if ideas were gettable - say, stacked in a secluded cave like the Dead Sea scrolls - I wouldn't go there. An 'idea,' especially one adhered to from start to finish, can be disastrous for a compelling piece of fiction.
Cultural expectations shade and color the images that parents-to-be form. The baby product ads, showing a woman serenely holding her child, looking blissfully and mysteriously contented, or the television parents, wisely and humorously solving problems, influence parents-to-be.