When is the Second Trimester of Pregnancy?

The second trimester of pregnancy mainly refers to the fourth to seventh month of pregnancy. During this period, fetal development is relatively rapid and the demand for nutrients is also relatively high. Therefore, during this period, pregnant women should pay more attention to dietary adjustment, eat more foods containing nutrients, including protein, vitamins, and minerals, etc.

The second trimester of pregnancy refers to the fourth to seventh month of gestation, which is the period of the most vigorous and rapid fetal development and growth, with a great demand for nutrients. Therefore, the principle of diet during this stage is to have a large quantity and high quality of various nutrients, including protein, sugar, vitamins, minerals, and trace elements. Therefore, pregnant women during this period should pay special attention to diet and ensure their own and the fetus's nutritional needs through reasonable dietary collocation and scientific and reasonable intake of various nutrients.

1. Pregnant women's skin is more prone to oily, acne, and spots. The cornea of the eyes becomes thinner, and the eyes also swell along with the whole body. Some pregnant women may also experience slight distortion when watching video images.

2. The brain of pregnant women may shrink slightly, and their hair may curl and become more difficult to manage, which is caused by hormonal changes during pregnancy.

3. The immunity of pregnant women may decrease because the development of the fetus requires certain nutrients, which are obtained from the mother's body. Therefore, many immune cells in the blood of pregnant women will decrease significantly.

4. With the development and growth of the fetus, the weight of pregnant women will increase, and the blood will flow downward, which can easily lead to leg pain and swelling in pregnant women.