Pregnancy is not always associated with vomiting, and a few pregnant women may have no significant gastrointestinal reactions throughout their pregnancy.
Early pregnancy reaction is a series of reactions in early pregnancy, may be related to the fluctuation of various types of hormone levels in the early stages of pregnancy, often appearing around 6 weeks of gestation, lasting until 8 to 12 weeks of gestation. The main manifestations are drowsiness, depression, loss of appetite, nausea and vomiting, which can lead to dehydration or acidosis in severe cases.
Most pregnant women will have varying degrees of early pregnancy reaction, of which loss of appetite, nausea and vomiting are more common and can generally be relieved on their own; a small number of pregnant women have no obvious reaction throughout the pregnancy; a very small number of pregnant women with large fluctuations in hormone levels, which continue to affect the function of the gastrointestinal tract, the nausea and vomiting symptoms can be accompanied by the entire pregnancy.
There are individual differences in the degree of early pregnancy reaction during pregnancy, if the early pregnancy reaction is significant, it is recommended to go to a regular hospital to avoid adverse effects.