Der Anaesthesist
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Meta Analysis
[The menstruation cycle in the postoperative phase. Its effect of the incidence of nausea and vomiting].
Several studies suggest that the menstrual cycle has an impact on postoperative nausea and vomiting (PONV). However, many studies report inconsistent results. Thus, in this systematic review the results of all available studies are compared and statistically synthesised. ⋯ Studies investigating the influence of the menstrual cycle on the incidence of PONV show inconsistent results. Summarising the data of these studies suggests that the phase of the menstrual cycle has no impact on the occurrence of PONV.