Elderly people say that when you are pregnant with a boy, your stomach is pressed against your stomach – The relationship between the physical changes of pregnant women and the gender of the fetus. With the continuous development of modern technology, people have become more and more precise about the gender of the fetus. But in ancient times when there were no examination methods such as B-ultrasound, people could only rely on the physical changes of pregnant women to guess the gender of the fetus. In the eyes of the older generation, the relationship between the physical changes of pregnant women and the gender of the fetus is unfathomable. This article will elaborate on the relationship between the physical changes of pregnant women and the gender of the fetus from the following four aspects. 1. Physical changes of pregnant women and fetal gender-the influence of traditional concepts