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PregnancyFirst TrimesterWeek 3

Week 3 of Pregnancy: fertilisation, Early Symptoms, and Changes

In Week 3 of pregnancy, if intercourse occurs, fertilisation happens as the sperm meets the egg to form a zygote. Learn what to expect and how to care for yourself.

Dr Veena H

Key Timeframes

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00:04

Introduction

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00:11

What's happening?

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00:18

Fertilisation

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00:40

Symptoms

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01:10

What you can do?

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1:27

Conclusion

Welcome to Week 3 of pregnancy! In this video, Dr. Heal walks you through the exciting changes happening inside your body. 
Week 3 marks the start of a new life as fertilisation takes place, and your body begins preparing for your little one. You may experience early symptoms like nausea, breast tenderness, and implantation bleeding. 
To support your body, focus on nutrition, hydration, and rest. Consult with Apollo's experts for the best guidance! You got this!
 

FAQs

What are the early symptoms of pregnancy in Week 3?

In Week 3, early pregnancy symptoms like mild cramping, spotting (implantation bleeding), and tender breasts can start to appear. However, it’s still too early for many to notice significant changes.

Can you take a pregnancy test in Week 3?

It’s too early to get accurate results from a home pregnancy test in Week 3. You may need to wait until after you miss your period, typically around Week 4, for a reliable test result.

What happens to the baby during Week 3 of pregnancy?

In Week 3, fertilisation occurs, and the baby starts developing into a group of cells called a blastocyst. It will travel down the fallopian tube and begin preparing to implant in the uterus lining.

Is implantation bleeding common in Week 3?

Implantation bleeding is a common occurrence in Week 3 for some women. It happens when the fertilised egg attaches to the uterine lining, causing light spotting.

Can stress affect pregnancy in Week 3?

Stress can potentially impact early pregnancy, especially during Week 3, as the body is undergoing hormonal changes. It's important to try and manage stress through relaxation techniques and self-care."