MOST men will have worried about the size of their penis at some point.

While there are often conflicting opinions as to whether bigger really is better, a group of scientists claim to have discovered the answer.

2 Men with longer willies were able to provide more vaginal orgasms Credit: Getty Images

A new study, published in the Journal of Sexual Medicine, found longer penises can give women more vaginal orgasms - but not necessarily clitoral orgasms.

The researchers discovered that men with longer penises make women climax more frequently.

The study explains: “Research indicates that women's orgasm during penile–vaginal intercourse is influenced by fitness-related male partner characteristics, penis size is important for many women, and preference for a longer penis is associated with greater vaginal orgasm consistency.”

2 The researchers discovered that men with longer penises make women climax more frequently Credit: Getty Images

The investigators added that these orgasms were reached “without concurrent clitoral masturbation”.

The study came to this conclusion after asking women about how much sex they were having and the effects of a longer-than-average penis on how often they orgasmed.

From the results, it was then decided that the longer the penis, the more orgasms the women experienced.

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Researchers explained: “Women who prefer deeper penile–vaginal stimulation are more likely to have vaginal orgasm, consistent with vaginal orgasm evolving as part of a female mate choice system favouring somewhat larger-than-average penises.”