"Morning sickness" is the name given to the nausea and possible vomiting that occurs primarily in the first trimester of pregnancy. More than half of all pregnant women experience morning sickness, and it can occur at any time of the day or night--not just the morning, as the name implies. Morning sickness is most likely caused by an increase in hormones in the woman's body and is not harmful to the baby. Some women will experience morning sickness throughout the duration of their pregnancies, but most start to feel relief by the third month.
Nausea
Nausea, unrelated to illness, is often the first clue that a woman is pregnant. The nausea can be a strong reaction to a food, an odor or just a generalized unsettled stomach.
Nausea With Vomiting
Vomiting is a common early pregnancy symptom. It is not harmful to the baby. However, if the vomiting becomes severe and you can't hold down liquids, contact your doctor.
Fatigue
Fatigue can go hand in hand with nausea. Fatigue is normal in pregnancy and, in the first trimester, the fatigue can be another symptom of morning sickness.
Heartburn
Heartburn is also caused by hormonal changes in the pregnant woman's body during pregnancy.
