Previous studies have shown that the level of lactate in the uterine tissue increases during labour contractions as a sign of anaerobic metabolism. In abnormal contractions, the removal of lactate appears to deteriorate and lactate and other metabolites will be accumulated. In these conditions, the power of the uterine contractions decreases and labour progress is halted. The level of lactate in the uterine muscle is mirrored in the level of lactate in amniotic fluid (AFL), and can easily be analysed at the bedside [18-20]. No previous investigation has been made of whether the AFL level has any association with the woman’s experience of childbirth.