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Pregnancy is an exciting time, but fever in pregnancy (or fever during pregnancy) can feel scary when it hits. You're already dealing with so many changes—hormones, tiredness, and worries about the baby—so a raised temperature might make you panic.
The good news? Most fevers are mild and manageable, especially if caught early. Understanding causes of fever in pregnancy, what to watch for, and safe ways to handle it can help you stay calm and protect both you and your little one.
🌡️ Temperature Guide
A normal body temperature is around 98.6°F (37°C). A fever is generally considered anything over 100.4°F (38°C). During pregnancy, your immune system works differently to protect the baby, which can make you more prone to infections that cause fever.
❓ Is Fever a Symptom of Pregnancy?
No, it's not. Early pregnancy symptoms like nausea or fatigue don't usually include actual fever. But feeling feverish during early pregnancy or having chills can happen from minor illnesses, not the pregnancy itself.
Common Causes of Fever During Pregnancy
Fevers often come from infections that are more common or feel worse when you're expecting:
1. Viral Illnesses
Colds or flu are common causes of fever during pregnancy.
What to watch for: Cough, congestion, body aches
2. Urinary Tract Infections (UTIs)
Extra common during pregnancy due to hormonal shifts and pressure on the bladder.
What to watch for: Burning when peeing, back pain, frequent urges
3. Gastrointestinal Bugs
Infections causing vomiting or diarrhea can lead to fever.
What to watch for: Nausea, stomach cramps, dehydration
4. More Serious Infections
Flu complications, chorioamnionitis (infection around the baby), or mosquito-borne illnesses in some areas.
What to watch for: High fever, severe symptoms, prolonged illness
Symptoms to Recognize
You might notice these signs alongside a fever:
- Chills and shivering
- Body aches and fatigue
- Sweating or flushed skin
- Headache
- Fast heartbeat
- Nausea or loss of appetite
- General weakness or dehydration signs (dry mouth, less urine)
📝 Tracking Tip
Track your temperature with a reliable thermometer—oral or underarm works fine.
Risks and How They Vary by Trimester
A short, mild fever often passes without issues, but higher or longer-lasting ones need attention because they can affect you and the baby.
First Trimester
Fever during pregnancy first trimester or fever in early pregnancy raises higher concern. Prolonged high fevers may slightly raise risks for neural tube defects or other developmental issues if untreated.
Second Trimester
Fever during pregnancy second trimester is still important to manage, as ongoing fever could link to preterm labor risks or other concerns.
Third Trimester
Fever during pregnancy third trimester may increase chances of preterm labor, dehydration, or complications from the underlying infection.
⚠️ Overall Risks Include
- ✓ Dehydration (bad for you and baby)
- ✓ Preterm labor
- ✓ Low birth weight
- ✓ Effects from the infection itself
Treating the fever promptly lowers these worries a lot.
Safe Remedies and What to Do at Home
Focus on comfort and lowering the temperature gently:
- Stay Hydrated: Drink plenty of fluids—water, electrolyte drinks, or clear soups
- Rest Well: Rest as much as possible in a cool, comfortable room
- Cool Compresses: Take lukewarm (not cold) showers or use cool compresses on your forehead and wrists
- Light Clothing: Wear light clothing and avoid bundling up too much
- Light Nutrition: Eat light, nutritious foods if you can
💊 Safe Medication
For medication, acetaminophen (paracetamol) is the safest choice for reducing fever and pain during pregnancy—stick to the recommended dose and use it only when needed.
❌ Avoid: Ibuprofen, aspirin, or other NSAIDs, especially later in pregnancy, as they can cause issues like low amniotic fluid or other effects.
Always check with your doctor before taking anything, and never ignore a fever—call if it's high, lasts more than a day, or comes with worrying symptoms.
When to Seek Help Right Away
Contact your healthcare provider or head to the hospital if:
- Temperature goes above 100.4°F and doesn't come down
- Fever lasts more than 24 hours
- You have severe symptoms like intense pain, vomiting that won't stop, burning urination, or breathing trouble
- Signs of dehydration or feeling very unwell
💡 Bottom Line
Early care prevents bigger problems and keeps you both safe. If you're dealing with a fever right now, take a deep breath—you're doing the right thing by learning more. At Unittas Hospital, our team is here to support you with quick checks, safe advice, and peace of mind throughout your pregnancy.
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