Relationship between Breastfeeding, Birth History, and Acute Pyelonephritis in Infants.
Young Ju LeeKyung Moon KimHye Lim JungJeong Yun ShimDeok Soo KimJae Won ShimPublished in: Journal of Korean medical science (2020)
Feeding exclusively with formula before 6 months of age was related to higher risk for APN, which demonstrates that breastfeeding has a protective effect against APN. The other risk factors for APN were birth order (≥ 2nd-born), low birth weight, and birth via caesarean section.