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Study Links Severe Nausea to Increased Depression Risk in Pregnancy

11/14/2025

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Summary

Story summary

A study from the University of Turku, Finland links hyperemesis gravidarum to depression risk.
Researchers analyzed data from more than 437,000 women from 2004 to 2017.
Eight point eight percent of women with severe nausea had depression before pregnancy, versus one percent in controls.
Four point nine percent developed new-onset depression after childbirth.
The Lancet Psychiatry published findings in November 2025 and calls for systematic screening during and after pregnancy.

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Story summary

A study from the University of Turku, Finland links hyperemesis gravidarum to depression risk.
Researchers analyzed data from more than 437,000 women from 2004 to 2017.
Eight point eight percent of women with severe nausea had depression before pregnancy, versus one percent in controls.
Four point nine percent developed new-onset depression after childbirth.
The Lancet Psychiatry published findings in November 2025 and calls for systematic screening during and after pregnancy.