Sizing up: women favor slightly larger penises, new study discloses

Women chose bigger penises for a one-time sexual encounter versus a long-term partner, showing that the ideal penis is larger than the global average

A new examine has revealed that girls prefer a slightly larger penis in a one-time sex partner compared to a long-term partner.

Researchers from the University of California and the University of New Mexico provided women with 33 different-sized 3D penis models made of rigid, odorless, blue plastic( they were blue to minimise racial skin-color cues) to choose from. In total, 75 girls, ages 18 to 65, took part in the study.

When asked to select the model which represented their preferred penis size in a long-term partner, the average reply was 6.3 inches( 16 cm) in duration and 4.8 inches( 12.2 cm) around. For a one-time sexual experience, the average plastic penis the women choice was slightly larger 6.4 inches( 16.3 cm) long and 5.0 inches( 12.7 cm) in circumference.

Previous surveys had presented women with 2D, flaccid penises, so this is the first research to provide hard evidence that womens ideal penises are slightly larger than average penis size.

The women in the study opted penis that were, on average, larger than those on supply. The median erect penis is 5.2 inches( 13.1 cm) long, and 4.6 inches( 11.7 cm) in circumference, according to a global analysis of 15, 000 phalluses published last year. The interactive below, created by Nick Evershed, allows you to explore those averages.


Sexual psychophysiologist Dr Nicole Prause and a squad of researchers also gave the women a questionnaire about their past sex experiences. Their reactions uncovered a variety of first-hand penis encounters, ranging from 2.5 inches in duration to 8 inches. Some females also said that they had ended a relationship partly because of their partners penis sizing 7 % of women told because their partners penis had been too large, and 20% said it had been too small.

In August, Dr Prause spoke to the Guardian about female pleasure as part of a video series Vagina Dispatches .

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