This video is unavailable because we were unable to load a message from our sponsors. If you are using ad-blocking software, please disable it and reload the page. Embed Code Restart Playing WATCH MORE VIDEOS FROM THIS EPISODE > Excessive vomiting during pregnancy? Learn about hyperemesis gravidarum, a severe form of morning sickness that can lead to dangerous dehydration and weight loss. Plus, OB/GYN Dr. Jennifer Ashton explains how the condition is treated. ShareTweet