Efficacy and safety of acupressure in nausea and vomiting during pregnancy: a systematic review and meta-analysis of randomized controlled trials.

Acupressure may have potential favorable or encouraging effect on treating nausea and vomiting during pregnancy, but strong supportive data are not yet available. Well-designed and large-scale RCTs should be conducted for assessing and confirming the efficacy and safety of acupressure in nausea and vomiting during pregnancy.