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Your Pregnancy – Week 3


Pregnancy Videos: First trimester

  • Your Pregnancy – Week 1

    Its week 1 of your pregnancy and you are not even pregnant yet, but theres still lots going on. Find out about your first trimester of pregnancy.

  • Your Pregnancy – Week 2

    Why should I take folic acid in the first trimester of my pregnancy? Find out all you need to know about week 2 of your pregnancy here.

  • Your Pregnancy – Week 3

    Am I actually pregnant yet? Find out how your baby is developing in week 3 and get your first trimester pregnancy questions answered.

  • Your Pregnancy – Week 4

    Is it too early to experience morning sickness? Dr Carol Cooper explains the changes occurring in your first trimester and in week 4 of your pregnancy.

  • Your Pregnancy – Week 5

    What are the first signs I’m pregnant? Click here to find out and learn about week 5 of your pregnancy and your first trimester.

  • Your Pregnancy – Week 6

    Is it okay to have a glass of wine now that I’m pregnant? Dr Carol Cooper answers your first trimester pregnancy questions here and explains whats going on at week 6.

  • Your Pregnancy – Week 7

    By week 7 your baby already has a beating heart. Find out more amazing facts about your developing baby during your first trimester here.

  • Your Pregnancy – Week 8

    Your baby may only be 10mm long in week 8 of your pregnancy but he is sending your body into overdrive with all of the pregnancy hormones racing around your body. Find out more about the first trimester of your pregnancy, as well as important advice on ca

  • Your Pregnancy – Week 9

    Suffering with sore and sensitive breasts during your first trimester of pregnancy? Get advice from Dr Carol Cooper on what you can do at week 9 here.

  • Your Pregnancy – Week 10

    What types of cheese should I avoid now that I’m pregnant? Dr Carol Cooper answers your first trimester pregnancy questions here and explains what your baby is doing at week 10.

  • Your Pregnancy – Week 11

    Are antenatal tests harmful to my baby? Click here to learn about week 11 of your pregnancy and what tests to expect during your first trimester.

  • Your Pregnancy – Week 12

    What are the symptoms of miscarriage? Dr Carol Cooper offers information and advice on first trimester pregnancy here, and what to expect at week 12.


Your baby’s first trimester development – week 3

During week three your fertilised egg will travel down from your fallopian tube into your uterus. The cells of your fertilised egg (now called a blastocyst) are dividing rapidly and have already separated into two parts that will later become your baby and your placenta1.

When will I experience pregnancy symptoms?

Your doctor and most pregnancy dating calendars may consider you to be three weeks pregnant, but at this early stage, when you conceive your baby, it is very unlikely that you will notice any symptoms or changes in your body. This is because your body will not start to release the pregnancy hormones that cause pregnancy symptoms for another week or more1.

How is my baby’s gender decided?

With each ejaculation your partner releases around 300 million sperm which travel into your uterus and meet with your egg1. Each individual sperm carries the gender of your baby within its genetic make-up. Sperm carrying an XX chromosome will create a baby girl, and sperm carrying XY will create a boy1.

Many old wives tales suggest that women can help influence the sex of their baby by eating certain foods, however your baby’s gender is set from the second your partner’s sperm has fertilised your egg.

Dr Carol Cooper, General Practitioner

Author of Pregnancy Essentials

References:

1. Cooper, C., 2008. Pregnancy Essentials. London: Ryland Peters and Small.

 

10552 Revised November 2012

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