Pregnant women get hungry quickly may be caused by physiological and pathological reasons, such as normal physiological phenomena and sugar utilization disorders. 1. Physiological reasons: with the continuous growth and development of the fetus during pregnancy, the amount of nutrients needed will also increase, pregnant women may not be able to meet the needs of their own development and the fetus after a normal diet, so pregnant women are easily hungry phenomenon, especially in the middle and late stages of pregnancy, can be a small number of meals. 2. Pathological reasons: antagonistic insulin substances may appear in the body during pregnancy, causing problems in the utilization of sugar by pregnant women, thus causing energy deficiency and the phenomenon of fast hunger. It is recommended to do glucose tolerance test, if there is an abnormality, you need to actively control blood sugar. There are many other reasons that can cause pregnant women to be hungry quickly, it is recommended to go to a regular hospital, consult a professional doctor, cooperate with the doctor to complete the relevant examinations, to avoid blind treatment.