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WEEK 5: The foundations of development

5 Weeks pregnant: pregnancy cravings

It’s official – you’re going to be a mum. Now’s the time to find out what’s going on inside you and how your 5 week foetus is growing, one cell at a time.
    3-minutes read

    At a glance

    A little person is coming your way soon. A baby at 5 weeks already has a heart beat.

    Folic acid helps prevents spina bifida. If you haven’t already, start taking it now until week 12.


    It’s good to contact your GP surgery to find out when and who you need to see to start your ante-natal care.

    If you are what you eat, then so is baby. Learn what’s good and not so good for them.

    Baby's development at 5 weeks pregnant

    So, you've taken a pregnancy test and it was positive. Congratulations! Time to get ready for the adventure of a lifetime.

    Your baby’s heart is already beating. Even though it’s tiny, your baby is now an embryonic disc with three layers of cells that will eventually form its whole body. The science is incredible. The endoderm layer will become your baby’s digestive tract, liver, pancreas and respiratory system.

    The ectoderm layer will form its nervous system as well as the skin, nails and hair. The third layer will form most of the skeletal structure, heart, urinary tract and sexual organs. In the middle is the notochord – a temporary backbone from which the central nervous system, brain and head will form.

    All that, within the same diameter as a human hair. Wow. Just wow.

    Pregnancy nutrition at 5 weeks pregnant

    At 5 weeks pregnant your body is already doing amazing things to grow this little person inside you. It’s become super-efficient and is able to absorb much more of the nutrients in the food you eat. That’s why eating for two is not really about eating more, it’s about eating the right things for both of you.

    Countless mums have all sorts of weird and common pregnancy cravings, from mustard sandwiches to chalk dipped in cheese. No, really.

    There is no hard evidence to suggest cravings are linked to nutritional need but try telling that to a ravenous, pregnant mum. Feel free to give in to the occasional pickled onion ice cream, but in general it’s a great idea to have a variety of different foods every day in your pregnancy diet so your body gets all the nutrients it needs for baby growing.

    And there’s no need to give up your gym membership just yet –moderate physical exercise throughout your pregnancy helps keep you and baby fit and healthy. Just check with your GP if you’re unsure.

    ‘Positively positive’ check-up at 5 weeks pregnant

    You’ve already taken a home pregnancy test and it’s positive. In fact, all three were. However, it’s still only week five and you’re probably still pinching yourself, so a visit to your GP can confirm the pregnancy, flag any complications, and give you a more accurate due date.

    Use our pregnancy calculator to figure out your due date


    Ovulation Calculator - When’s the best time to try to get pregnant?

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