A retrospective meta-analysis of 15 studies published in English from a number of databases investigated risk for a number of perinatal factors in infants with IHPS. Data suggests IHPS is associated with:
- Being first-born.
- Delivered by caesarian section.
- Being preterm.
4. Being bottle-fed (most significant factor).
Published on: 09/09/2017
"IHPS is the most common surgical cause of non-bilious vomiting in infancy". Its etiology is incompletely understood.