Weeks 1-12, 28-40

Fatigue

Last reviewed by medical team: June 2026

🟢 Normal Pregnancy Marker

Why It Happens

First trimester fatigue is caused by surging progesterone levels and the massive energy required to build the placenta. Third trimester fatigue returns due to sleep disruption and carrying extra weight.

Safe Home Remedies

Prioritize getting 8-9 hours of sleep at night.
Take short 20-30 minute naps during the day.
Maintain gentle physical activity like walking.
Eat a iron-rich, balanced diet.

⚠️ When to Contact a Doctor

Contact your doctor if fatigue is extreme, constant, or accompanied by symptoms of depression, pale skin, or shortness of breath (anemia indicators).

Related Guides & Resources

Typical Week Ranges

This symptom commonly occurs during these weeks of pregnancy:

Week 1 Week 6 Week 11 Week 31 Week 36

Related Conditions

Symptom matches for these prenatal conditions:

✦ Gestational Diabetes

Clinical Questions & Answers

Q1: Why am I so tired in the first trimester?

Your body is building a whole life-support system (the placenta) and your blood volume is expanding rapidly.

Q2: Does fatigue improve in the second trimester?

Yes, most women experience a welcome burst of energy during the middle months of pregnancy.

Q3: Can low thyroid cause pregnancy fatigue?

Yes, doctors routinely test thyroid function as hypothyroid conditions can cause severe exhaustion.