A woman’s short temper and irritability after pregnancy may be related to hormonal changes in the body during pregnancy, anxiety during pregnancy, and lack of understanding by family members. 1. Hormonal changes during pregnancy: the body secretes a large amount of estrogen and progesterone during pregnancy, which can change the mood of the pregnant woman or make her experience early pregnancy symptoms, such as nausea, vomiting, etc., which can affect the daily life of the pregnant woman and lead to sensitivity, resulting in irritability and short temper. 2. Anxiety during pregnancy: Pregnant women may worry about the normal development of the fetus, as well as the changes in body shape, sleep, and the risk of childbirth during pregnancy, which can make pregnant women anxious, irritable, and easy to anger. 3. Lack of family understanding: If the family does not understand the hard work of the pregnant woman and does not care about her status in time, she may feel aggrieved and anxious, which may lead to short temper and irritability. Pregnant women need to try to self-regulate their emotions, and appropriate rest can help to alleviate temper tantrums. Family members should communicate with the pregnant woman to relieve her stress. If her irritability turns into depression, she should consult a psychiatrist in time.