Morning sickness is a common symptom of pregnancy and typically resolves after the first trimester. The exact cause of morning sickness or why it affects some women and not others is not known, but it may be due to the level of pregnancy hormones in your body and how they affect the area of your brain that causes nausea.
Regardless of the cause, morning sickness can make the first few months of your pregnancy pretty miserable and interfere with your ability to keep up with daily tasks.
Read More