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J Sex Med. 2014 Jan;11(1):93-101. doi: 10.1111/jsm.12244. Epub 2013 Jul 10.

Erect penile length and circumference dimensions of 1,661 sexually active men in the United States.

Author information

1
Center for Sexual Health Promotion, Indiana University, Bloomington, IN, USA.

Abstract

INTRODUCTION:

Penile size continues to receive popular and empirical attention. Little is known about the process of self-measurement and whether the behaviors a man engages in to become erect for self-measurement are associated with his erect penile dimensions.

AIMS:

The article aims to assess men's erect penile dimensions in a study in which the men would presumably be motivated to report accurate information about their penis size; and to explore associations between men's erect penile dimensions, their method of measurement, and their demographics.

METHODS:

Data are from an Internet-based baseline phase of a large prospective daily diary study that compared men's use of a standard-sized condom to men's use of a condom sized to fit their erect penis.

MAIN OUTCOME MEASURES:

The main outcomes are participant characteristics, activities engaged in during self-measurement process, and self-reported erect penile length and circumference.

RESULTS:

For this sample of 1,661 men, the mean erect penile length was 14.15 cm (SD = 2.66; range = 4 to 26 cm), and the mean erect penile circumference was 12.23 cm (SD = 2.23; range = 3 to 19). Participant characteristics were not associated with measured length or circumference. Most men measured their penis while alone, using hand stimulation to become erect.

CONCLUSIONS:

In this sample of men who measured their erect penile length and circumference for the purposes of receiving a condom sized to fit their erect penis, we found a mean erect penile length of 14.15 cm and a mean erect penile circumference of 12.23 cm. The self-reported erect penile dimensions in this study are consistent with other penile dimension research. Also, findings suggest that mode of getting an erection may influence erect penile dimensions. Additionally, how a man becomes erect for self-measurement may be associated with his erect penile length and/or circumference.

KEYWORDS:

Penile Circumference; Penile Dimensions; Penile Length; Penis Size

PMID:
23841855
DOI:
10.1111/jsm.12244
[Indexed for MEDLINE]

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