Genes account for about 60 percent of a woman's ability to have an orgasm, says a British study of more than 4 000 pairs of twins.
The study found that 14 percent of women had an orgasm every time they had sex and that 14 percent never had an orgasm, the Scotsman reported.
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In total, 32 percent of the women in the study never or infrequently had an orgasm during sexual intercourse. The findings were published in the journal Biology Letters.
The role played by genes in determining a woman's ability to orgasm may be the result of evolution, suggested the study authors, from St. Thomas's Hospital in London.
‘There is an underlying biological influence’
"There is a biological underlying influence that can't be attributed purely to upbringing, religion or race," Professor Tim Spector, director of the hospital's Twin Research Unit, told the Scotsman.
While genetics may play a role, there are a number of other factors that determine a woman's ability to have an orgasm, Dr Cynthia McVey, a lecturer in psychology at Glasgow Caledonian University, told the Scotsman.
Those factors include mood, self-esteem, upbringing and anxiety levels. – (HealthDayNews)
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