Pregnant with snoring, this situation is not much of a problem, and generally do not appear to hold their breath, lack of oxygen, do not need special treatment. The reason can be divided into two aspects: one is the hormonal changes during pregnancy, such as progesterone, estrogen changes, resulting in nasal mucosa congestion, edema, poor nasal ventilation, as well as the soft palate this part of the tissue relaxation, the ventilation space is reduced leading to snoring. Another is the weight gain during pregnancy, the local adipose tissue increases, resulting in the airway is not particularly smooth, snoring situation, most of this situation in pregnancy after active weight control, most can be relieved, or is restored. Generally speaking, as long as the snoring does not appear to suffocate, lack of oxygen, generally do not need special treatment, it is recommended to try to sleep on the side during sleep, can effectively reduce the snoring situation.