What’s wrong with newborns who spit up after drinking milk for a while?

Newborns spit up after drinking milk for a while, which may be related to the undeveloped digestive system, congenital hypertrophic pyloric stenosis, neonatal intestinal obstruction and other reasons.
1. Underdeveloped digestive system: the stomach of newborns is horizontal, with small capacity, and the cardia is relatively loose, while the pylorus has high tension, which can cause newborns to spit up after drinking milk for a while.
2. Congenital hypertrophic pyloric stenosis: the pyloric muscle of the newborn is hypertrophic and hyperplastic, which leads to the narrowing of the pyloric lumen and pyloric obstruction, and the newborn can spit up after a while of eating milk.
3. Neonatal intestinal obstruction: due to congenital malformations of the digestive tract and other reasons leading to obstacles to the passage of intestinal contents in newborns, there can be a spitting up after a short period of time after eating milk.
Newborns drink milk a while after spitting up, there may be other reasons, it is recommended to go to the hospital in time to improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.