Site na afọ nke ahụmịhe nke emepụtara pronatal na-elekọta , nwere ike inye ọtụtụ ọmụmụ ihe pụrụ iche . nlekọta nwere ike izute ọtụtụ ngwa, ma ọ bụrụ na ị ga-enwerịrị ọrụ oge na -elekọta ya n'oge . Na mgbakwunye na ndepụta ngwaahịa dị n'okpuru, ị nwekwara ike hazie nlekọta prenatal nke gị dabere na mkpa gị ka mkpa.