There is no significant correlation between the early pregnancy reaction and the sex of the fetus, and it is impossible to determine the sex of the fetus through the early pregnancy reaction. Generally speaking, pregnant women will experience early pregnancy reactions such as breast swelling and pain, frequent urination, loss of appetite, nausea, etc. Moreover, early pregnancy reactions can be affected by a variety of factors. The pregnancy reaction that occurs during pregnancy is related to the change of hormone level in the body. Due to the different physique of each person, there is also a difference in the degree of sensitivity to the early pregnancy reaction, some women may experience nausea, vomiting, fatigue and other early pregnancy reactions in the early stage of pregnancy. However, some women may experience symptoms such as breast tenderness, frequent urination and loss of appetite. In addition to the hormone levels in the body, the pregnancy reaction is also related to the mental state and nutritional status, but has nothing to do with the sex of the fetus. If the early pregnancy reaction is too strong in the clinic, it is recommended to consult the doctor in time and take scientific ways to relieve it under the doctor’s guidance.