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Week 3 of Pregnancy: The Complete Guide

Obstetrician-reviewed guide to baby size, symptoms, diet, and changes in your body.

Trimester Trimester 1
Estimated Length 0.1 cm
Estimated Weight 0.01 grams
Fetal Sizing Reference Pinhead

👶 Your Baby's Development

The blastocyst implants into the uterine lining. The cells start dividing into what will become the embryo and the placenta.

🤰 Common Symptoms in Week 3

Here is what to expect inside your body. Select active items to log in Gynosakhi App:

🥦 Nutrition & Diet Tips

Focus on calcium-rich foods (yogurt, tofu, almonds) and foods containing DHA/omega-3 fatty acids for early neurological development.

🧘 Safe Exercise Checklist

Engage in low-impact exercises like brisk walking, yoga, and swimming. Avoid heavy lifting and high-impact activities.

Safety Precaution Checklist

Seek immediate medical attention if you experience severe one-sided pelvic pain, which could indicate an ectopic pregnancy.

Dr
Dr. Shruti Gupta OB-GYN Clinical Lead

"For Week 3 of pregnancy, the clinical focus is on You can take a home pregnancy test by the end of week 4. Choose a highly sensitive digital test and use your first morning urine."

Maternal Toolkit

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Fetal Kick Tracker Log
Nutrition & Diet logs
Glucose & Weight Graphs
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