First Trimester

5 Weeks Pregnant

At 5 weeks pregnant, your baby's heart starts beating! Learn about symptoms, development milestones, and tips for managing early pregnancy.

👶 Your Baby This Week

🌱

Size of a sesame seed

0.05" (0.13 cm)

Development Highlights

  • ✓Heart begins to beat
  • ✓Brain divides into three parts
  • ✓Arm and leg buds appear
  • ✓Umbilical cord forms

🤰 Common Symptoms This Week

  • •Morning sickness may begin
  • •Increased urination
  • •Heightened sense of smell
  • •Food aversions or cravings
  • •Mood swings

💡 Tips for Week 5

  • 1Eat small, frequent meals to combat nausea
  • 2Stay hydrated
  • 3Get plenty of rest
  • 4Track your symptoms for your doctor

🔍 Ultrasound at Week 5

What can be seen:

  • 👁Gestational sac
  • 👁Yolk sac may be visible

Related Resources

📅 Due Date Calculator

Calculate your estimated due date

👶 Baby Size Calculator

Fun size comparisons for each week

📖 8K vs 3D/4D Ultrasound

Learn about ultrasound technologies

✨ Get 8K Ultrasound Portrait

Transform your ultrasound into art