ObGyn Intelligence

ObGyn Intelligence

Fever in Pregnancy: Why the Cause Matters More Than Just the Number

You might think fever is straightforward—it isn’t. A 2021 paper by Mackowiak, Chervenak, and Grünebaum showed that the "fever" is used loosely in medical publications, often without clear definition.

Amos Grünebaum, MD's avatar
Amos Grünebaum, MD
Nov 26, 2025
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What is “fever,” anyway?

You might think fever is straightforward—but it isn’t. A 2021 paper by Mackowiak, Chervenak, and Grünebaum (yours truly) showed that the term fever is used loosely in medical publications, often without clear definitions. Is fever 100.4°F, 100.0°F, or 99.5°F? Does it depend on whether the thermometer was oral, rectal, or infrared…

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