Tuladhar et al reported an equation for estimating the length of a preterm male infant. The authors are from The Royal Women's Hospital in Victoria, Australia.
Patient selection: newborn male fetus from 24 to 36 weeks of gestation
Parameter:
(1) week of gestation
predicted penile length in cm =
= (0.16 * (weeks gestation)) - 2.27
where:
• Some abstracts report +2.27 but this gives values that are excessive for a newborn.
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