Parenting
Pregnancy Symptoms by Trimester: What’s Normal and When to Worry
17 min read • Published June 12, 2026 • Medically reviewed by Dr. Emma Lane, MD
First Trimester Symptoms (Weeks 1–12)
- Nausea and vomiting (morning sickness)
- Fatigue and exhaustion
- Breast tenderness and swelling
- Frequent urination
- Food aversions and cravings
- Mood swings
- Light spotting (implantation bleeding)
Second Trimester Symptoms (Weeks 13–26)
- Increased energy (often called the “honeymoon phase”)
- Visible baby bump
- Fetal movement (quickening)
- Heartburn and indigestion
- Back pain
- Leg cramps
- Nasal congestion
Third Trimester Symptoms (Weeks 27–40)
- Shortness of breath
- Difficulty sleeping
- Swelling in feet and ankles
- Braxton Hicks contractions
- Frequent urination
- Pelvic pressure
- Nesting instinct
Warning Signs to Watch For
Call Your Doctor Immediately If You Experience:
- Severe abdominal pain
- Heavy bleeding or passing clots
- Sudden swelling in face or hands
- Severe headache or vision changes
- Decreased fetal movement
- Signs of preterm labor
Frequently Asked Questions
- Is it normal to have no symptoms in the first trimester?
- Some women experience very mild symptoms. Every pregnancy is different. However, if you have concerns, always check with your doctor.
- When should I expect to feel the baby move?
- Most first-time moms feel movement between 18–22 weeks. If you haven’t felt movement by 24 weeks, contact your provider.
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Medical Disclaimer: This article is for educational purposes only and does not constitute medical advice. Always consult your pediatrician or healthcare provider for concerns about your child's health.