Answer:
eat vegetables while she is pregnant and nursing
Explanation:
Through research, it has been shown that, what a woman eats during pregnancy can shape or determine what the unborn child will like to eat often when eventually born. Thus, it was revealed that at 21weeks upward after conception, the foetus feeds on amniotic fluid everyday from the pregnant mother. Such that the foetus get to understand the scent of the amniotic fluid.
Hence, the most effective way, Callie can makes her unborn child to grow andbenjoy eating of vegetables eventually, is to take a lot of vegetables during pregnancy, such that the baby can get used to it already.