Clinical Edge

Summaries of Must-Read Clinical Literature, Guidelines, and FDA Actions

Hyponatremia is a potential and serious complication of prolonged labor

Key clinical point: Consider hyponatremia in parturients presenting as home birth transfers and in those undergoing prolonged labor in the delivery unit.

Major Finding: Prolonged labor can result in electrolyte abnormalities, including severe hyponatremia.

Study details: Case report of two patients.

Disclosures: Dr. Daniela Carusi received payment from UptoDate. The other authors did not report any potential conflicts of interest.


Lassey SC et al. Obstet Gynecol. 2019. doi: 10.1097/AOG.0000000000003306.