Mommy, where did I come from? As a parent, it’s important to talk to your kids about their sexuality, but finding the right approach can be difficult. Dr. Judy Goldstein, a leading Manhattan pediatrician who was selected twice as one of the “Best Doctors in America,” shares tips for how to talk to your children about sex. Along with our sexpert Rachel Braun Scherl, Dr. Goldstein explains at what age children start to discover their body and the best way to answer their questions about sexuality.