The role of intercourse in inducing labour: the relationship between orgasm and oxytocin release has never been documented. Nevertheless, in one study repeated orgasms produced rhythmic uterine contractions that were associated with decorations. This study neither proved oxytocin release nor proved any development to labour pains16. In another study there was a link between self reporting of being able to achieve orgasm before pregnancy (supposedly linked to increased frequency on intercourse in pregnancy) was associated with a shorter second stage of labour, less labour inductions, lower oxytocin augmentation rate and lower forceps delivery rate17.