What’s wrong with a four-month-old baby who especially likes to lie on his back?

Four-month-old babies especially like to lie on their stomachs, may be related to indigestion, nose impermeable, habitual movements and other factors.
1. indigestion: four months baby especially like lying down may be related to indigestion factors, parents can pay attention to observe, whether also accompanied by nausea and vomiting, oral odor and other adverse conditions.
2. Nose impermeable: the baby appeared above, may be related to the nose impermeable, in the nose can not breathe, the baby sleeping on his back will have some relief.
3. Habitual action: four months baby appeared above, may belong to a habitual action, this generally no other adverse symptoms.
Four-month-old babies especially like to lie on their stomachs, but also may be abdominal pain, roundworm infection and other factors related to the suggestion that parents need to go to the hospital in a timely manner to conduct relevant examinations, and cooperate with the doctor active treatment.