Some boys like to wear dresses and play with makeup; some girls prefer boy clothes and playing with trucks. We talk to parents who are wondering what these preferences mean.
While you're pregnant, your response to "Is it a boy or girl?" was likely "Doesn't matter as long as the baby's healthy." Still, girls and boys bring different experiences to their parents' lives. Two parents offer their top 10 joys of the genders
While the technology improves, the ethical debate intensifies
