What is the sexual predilection of pediatric pyloric stenosis?

Updated: Nov 13, 2018
  • Author: Sathyaseelan Subramaniam, MD, FAAP; Chief Editor: Kirsten A Bechtel, MD  more...
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Infantile hypertrophic pyloric stenosis has a male-to-female predominance of 4-5:1, with 30% of patients with infantile hypertrophic pyloric stenosis being first-born males.

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