Pregnant women should not sleep on their right side, as with the progression of pregnancy, the uterus itself tends to rotate to the right. Sleeping on the right side will put significant pressure on the uterus, and in severe cases, it may even lead to the fetus' umbilical cord wrapping around the neck, posing a certain danger and easily causing uterine hypoxia. Therefore, it is best to sleep on the left side.
First, is it good for pregnant women to sleep on their right side? After the second trimester, the pregnant woman's abdomen has become larger, and the uterus has gained a certain weight. The uterus of a pregnant woman itself has the potential to rotate to the right. If she continues to sleep on her right side, it will promote the right rotation of the uterus, which will increase the risk of the fetus' umbilical cord wrapping around the neck. Additionally, the right rotation of the uterus can lead to uterine hypoxia, which is very unfavorable for the fetus. Therefore, it is not recommended to sleep on the right side during the second trimester.
Second, pregnant women are recommended to sleep on their left side. Here are some reasons:
1. Sleeping on the left side does not put too much pressure on the heart and does not affect blood supply due to compression.
2. Diuretic effect. During the middle and late stages of pregnancy, pregnant women's feet and legs tend to swell. Sleeping on the left side can alleviate this "swelling" condition. Additionally, slightly elevating the legs can help relieve swelling symptoms.
3. It can accelerate the blood flow in the uterus and placenta, ensuring better supply of nutrients and oxygen to the fetus. Sleeping on the left side can avoid fetal hypoxia.
4. It can correct the degree of right rotation of the enlarged uterus and correct the malposition of the fetus.
5. During pregnancy, increased blood volume and the weight of the upper limbs pressing on the lower limbs can lead to varicose veins in the lower limbs. Sleeping on the left side can reduce varicose veins in the lower limbs and prevent the formation of hemorrhoids.