Morning sickness is simply the feeling of nausea and vomiting, occurring many times a day. For most pregnant women, morning sickness symptoms usually begin as early as the 4th - 6th week of pregnancy and will subside after the first three months. However, some people have more severe morning sickness that is difficult to control.

Nausea but not vomiting during pregnancy is a characteristic of morning sickness in many women. This symptom can occur at any time of the day and is difficult to control, significantly affecting the life and health of pregnant women.

Many first-time pregnant women do not know “what is morning sickness?” and “what are the symptoms of morning sickness?”. In fact, morning sickness during pregnancy is a condition that many pregnant women experience. Signs of morning sickness can be vomiting and nausea. According to statistics, about 90% of pregnant women experience nausea and vomiting at varying degrees.

According to Specialist Doctor I Pham Thi Yen - Vinmec Hai Phong, morning sickness during pregnancy is a condition in which pregnant women often feel sleepy and want to sleep anywhere, at any time of the day.