5 weeks pregnant in pictures

You’re in the 5th week of your pregnancy; here is what is going on…

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  • How big is your baby?

    Your baby-to-be is about the size of a poppy seed, and is changing shape again this week.

    Find out how your baby is developing...

  • How is your baby growing?

    From a disc-like shape, your embryo is becoming more cylindrical with the development of a head and a tail, a bit like a tiny shrimp. It may sound strange, but it's all part of your baby's development.

    In each body cell of your embryo there are 46 chromosomes in 23 pairs, with one of each pair inherited from each parent. These are the genetic building blocks for your baby's development and will determine many things, including eye and hair colour and tendency for body shape.

    Now find out what is happening in your body…

  • What’s happening in your body?

    You may now start experiencing some of the early signs of pregnancy. These can include sensitive breasts, tiredness, light-headedness and even a metallic taste in your mouth. However, don't worry if you don't experience any of these symptoms - everyone is different, as you'll discover over the next eight months.

    Learn more about what symptoms to expect this week and check out our week by week pregnancy guide...

    Have a look at week 4 of your pregnancy or take a look at week 6.


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