How Early can You Feel Morning Sickness?

Morning sickness is probably one of the worst parts of pregnancy for many women. Morning sickness can start as early as 4 weeks in many women however, keep in mind every women is different so it may happen earlier or later. Many women never experience morning sickness. Morning sickness is also known to last until the second trimester. Morning sickness does not always just happen in the morning it can happen throughout the day.