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Fevers During Pregnancy

By Lara A. Friel, MD, PhD, Assistant Professor, Department of Obstetrics, Gynecology, and Reproductive Sciences, University of Texas Health - Medical School at Houston

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A temperature of >39.5° C (> 103° F) during the 1st trimester increases risk of spontaneous abortion and fetal brain or spinal cord defects. Fever late in pregnancy increases risk of preterm labor.

Treatment is directed at the cause, but antipyretics are indicated to decrease maternal temperature. In women with severe hyperthermia, cooling blankets may be used.

* This is the Professional Version. *