Overweight during pregnancy, improper sleeping position, and enlargement of the uterus are all causes of snoring in late pregnancy. Snoring in late pregnancy is a relatively common phenomenon, simple snoring does not need to worry, but if there is a rise in blood pressure, increased urinary protein, should be taken seriously. 1. Overweight during pregnancy: weight gain during pregnancy can narrow the nasopharynx, which can lead to snoring. 2. Improper sleeping position: Improper sleeping position can also cause sleep snoring in late pregnancy, the supine position is easy to block the airway, the phenomenon of snoring. 3. Enlargement of the uterus: In late pregnancy, the enlarged uterus will push the diaphragm upwards, affecting the activity space of the chest muscles, and making it difficult to breathe at night, making it easy to snore. If snoring is not serious in late pregnancy, you don’t need special treatment. If snoring is serious and affects your breathing and sleep, we suggest you consult an otorhinolaryngologist.