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Penile size in term infants

Nazile Ertürk, Alkım Öden Akman, Necip Ömer Kandemir

J Clin Anal Med 2017;8(5):444-447


Aim: The objective of the study was to determine normal penile length and diameter in newborn infants and determine the relationship between penile anthropometry and neonatal anthropometric values. Material and Method: This cross-sectional study was conducted on male newborn infants deliv- ered from November 2013 to May 2014. Birth weeks, body weights, height lengths, and head diameters of the children were recorded. Penile length was measured from the penile radix to the tip of the penile glans, without stretch- ing the penis, with the use of digital calipers placed on the ramus pubis. Maximal penile diameter was also measured with digital calipers. Results: A total of 150 newborn boys were included in this study. The mean birth weight of infants was 3455 ± 354.2 g and the mean gestational age at birth was 39.5 ± 1.18 weeks. In infants, the mean penile length was 3.19 ± 0.37 cm (range 2–4 cm) and the mean penile diameter was 1.95 ± 0.44 cm. There was a signi cant positive correlation between gestational age at birth and penile length in infants (r = 0.19, p = 0.042), whereas no signi cant correlation existed between penile length and birth weight (r = 0 .10, p = 0.179). Discus- sion: There is a correlation between neonatal anthropometric measurements and penile anthropometry. The results of this study provide a useful guide for pediatricians, pediatric surgeons, and endocrinologists. 

Keywords : Newborn, Penile length, Penile diameter, Late preterm,

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How to Cite :
Nazile Ertürk, Alkım Öden Akman, Necip Ömer Kandemir, Penile size in term infants, J Clin Anal Med 2017;8.(5):444-447