The survey of 1000 men and women found that 38 per cent of respondents risked pregnancy by having unprotected sex.
Nearly half, 43 per cent, of respondents stated that they obtained contraception from their GP practice.
The contraceptive pill was found to be the most popular method of contraception.
But NICE-approved long-acting reversible methods were less likely to be used.
The findings were released today to coincide with World Contraception Day.
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