You're excited to hear your baby's heartbeat during the ultrasound. But what happens when you hear two heartbeats instead of one? Having a baby can cause any parent to feel overwhelmed, and with twins those concerns are multiplied by two. Having twins is a unique experience, and expert Christina Tinglof brings you the fully updated essential guide to help you cope with any issue that can arise-from pregnancy through the school years. With multiple pregnancies becoming more common, the second edition of this timely book provides you with the much needed information, practical tips, and strategies for handling the everyday challenges of parenting twins.