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.

Morning sickness during pregnancy usually occurs from the 5th to 18th week of pregnancy. According to statistics, about 50 - 90% of women experience nausea during pregnancy, with or without vomiting. The severity and duration of nausea during pregnancy symptoms vary from woman to woman.

Studies have shown that morning sickness in early pregnancy is a sign that the baby is developing healthily, the fetus is absorbing the necessary nutrients for development from the mother's body. Therefore, what pregnant women need to do is understand the signs of morning sickness to have the best measures to take care of their bodies, minimizing the discomfort caused by nausea and vomiting.