When you're pregnant, you know that sometimes your hormones take over your life. Here's which ones are messing with you—making you throw up—and what kinds of symptoms they cause.
All your hormones are getting your body ready for baby but they come with certain side effects: Human Chorionic Gonadotropin is produced by the placenta but can also cause morning sickness. You can blame progesterone for heartburn, reflux, gas and constipation; it keeps the uterine muscles relaxed. And estrogen (helping baby develop) is why your appetite changes!