Pregnant women, why does the nose get bigger?

After pregnancy, the female nose becomes larger, which is a common situation in clinical practice. The main reasons are as follows: First, after pregnancy, the hormone level in the body changes, the estrogen level of pregnant women shows a decrease, and the progesterone level gradually increases, which can cause the pregnant woman to show water and sodium retention, which may cause edema of nasal mucosa, hypertrophy of nasal turbinates and other related manifestations. In addition, due to changes in hormone levels will cause pregnant women to show the end of the nasal hypertrophy, pregnant women show an increase in the nose, there are some related performance such as thicker lips. Second, pregnant women in late pregnancy, due to fetal weight increase, abdominal pressure increase, pregnant women breathing rate will be slightly faster, this will cause bilateral nasal wing will increase, resulting in nose enlargement.