Overheating In Pregnancy: Signs, Causes, Risks And Prevention


Hyperthermia or overheating during pregnancy can have adverse effects on you and the fetus. A core (internal) temperature rise of above 39¬°C (102°F) in a pregnant woman is considered harmful the fetus (1).  It is important to see a doctor if you have a fever, dehydration, heat exhaustion, or fatigue.

This MomJunction post explains the reasons behind the temperature rise during pregnancy, its impact, and ways to keep your body temperature under control.

Is Overheating During Pregnancy Common?

It may be normal for you to feel hot during pregnancy (2). As your baby grows, your body is likely to use more energy. In some cases, working in hot environments or specific work conditions could cause an increase in your core body temperature (3).

Extreme overheating is a cause of concern, and you need to be careful, especially when going out in the hot sun or while doing strenuous activities on a hot day.

How Do You Know If Your Body Is Overheated?

You may feel distinctly unwell while you feel the heat within your body. The possible symptoms of overheating are (4):

  1. Warm skin
  2. Headache
  3. Dizziness
  4. Nausea
  5. Muscle cramps

You may also be at a higher risk of developing heat exhaustion, heatstroke, and dehydration (5). You should see a doctor if you have these symptoms.


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