20 September 2010

who needs vaginal exams? check the purple line!

According to an abstract of a small study, maybe vaginal exams will become less common as a means of assessing dilation:
Vaginal examination (VE) and assessment of the cervix is currently considered to be the gold standard for assessment of labour progress. It is however inherently imprecise with studies indicating an overall accuracy for determining the diameter of the cervix at between 48-56%. Furthermore, VE's can be unpleasant, intrusive and embarrassing for women, and are associated with the risk of introducing infection. In light of increasing concern world wide about the use of routine interventions in labour it may be time to consider alternative, less intrusive means of assessing progress in labour. The presence of a purple line during labour, seen to rise from the anal margin and extend between the buttocks as labour progresses has been reported. The study described in this paper aimed to assess in what percentage of women in labour a purple line was present, clear and measurable and to determine if any relationship existed between the length of the purple line and cervical dilatation and/or station of the fetal head.

Here is another thought: let's use our ears to listen to the sounds the woman is making, watch how she is acting and see how she looks overall. It doesn't always work, but I bet it's accurate more than 48-56% of the time!

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