From: Prevalence of hypospadias in Italy according to severity, gestational age and birthweight: an epidemiological study
HYPOSPADIAS PREVALENCE RATE (per 1000 live births)
P
Overall rate
3.066 ± 0.99
AGA (10th–90th cent)
2.86
SGA (< 10th cent)
6.25
< 0.01
At term newborns (37–41 wks)
2.53
Preterm newborns (< 37 wks)
6.34
AGA at term
2.58
SGA at term
5.28