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Week 5: Heart Development

Your baby's heart is forming and neural tube development is beginning.

First trimester
Expert guidance
Week 5 guide
Expecting parents reading pregnancy guide together

Week 5 Overview

First trimester - Your baby's heart is forming and neural tube development is beginning.

What's Happening This Week

Your baby's heart is forming and neural tube development is beginning. Your baby is about the size of a sesame seed and amazing developments are taking place. Heart and neural tube forming

Baby's Development

Heart and neural tube forming

Your baby is about the size of a sesame seed and approximately 3mm long.

What You Might Experience

Common Symptoms

Morning sickness begins
Fatigue
Frequent urination

This Week's Important Topics

Folic acid importance
Early pregnancy symptoms
First doctor visit planning
Healthy eating

Week 5 Quick Facts

Baby Size: Sesame seed
Length: About 3mm
Trimester: First
Weeks to go: 35 weeks

Important Reminder

Every pregnancy is unique. While this guide provides general information, always consult with your healthcare provider for personalized advice. You're doing amazingly well!