Testicle
 
 

Normal Size of the Testicle as a Function of Age

 
Age Width (cm) Length (cm) Volume ± SE(cm3)
At Birth1,4 1.0  1.5 1.1 ± 0.14
1-3 months1,4 1.2  2.0 1.9 ± 0.11
4-6 months1
1.7 ± 0.11
1-10 years6 1.6  0.7 - 0.9
11-12 years6
  
1.7 increasing to 1.9
1.5 incr to 2.0
13-16 years6
  
2.3 increasing to 3.5
5.0 incr 13.0
Adult 2 - 3 3 - 5 15-20
 
 
References:
1.  Cassorla Fg, Golden SM, Johnsonbaugh RD, et al.  Testicular volume during early infancy.  J Pediatrics 1981; 99:742-743.
2.  Daniel WA Jr, Feinstein RA, Howard-Peebles P, et al.  Testicular volumes of adolescents.  J Pediatrics 1982; 101:1010-1012.
3.  Krone KD, Carroll BA.  Scrotal ultrasound.  Radiol Clin North Am 1985; 23:121-139.
4.  Siegel MJ, Pediatric Sonography, 2nd Ed. 1995 Raven Press
5.  Atkinson GO, Patrick LE, Ball TI, et al.  The normal and abnormal scrotum in children:  evaluation with color doppler sonography.  AJR 1992;158:613-617
6.  Kaplan SA.  Clinical pediatric & adolescent endocrinology.  W.B. Saunders. p. 307-308

 


 
Graph of Testicular Volume by Chronological Age 1

Comment:  testicular volume < 5 ml can be considered as infantile1

Reference:

1.  Rundle AT, Sylvester PE.  Measurement of Testicular Volume.  It's application to assessment of maturation, and its use in diagnosis of hypogonadism.  Arch Dis Child 37:514-517, 1962  (Permission requested from publisher:  BMJ Publishing Group)

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