Home > Early pregnancy 0 - 12 weeks > Your baby's development at 0 - 12 weeks
You might not be able to see it, but there’s an awful lot of development going on in there! In the first trimester your baby goes from being a collection of cells, or an ‘embryo’, to having the beginnings of a heart, brain, bones, muscles and lungs. It’s wonderful to think that by 12 weeks, they’ll even have a face with recognisable features. If you have any questions you’d like to ask, or just want to share your excitement, feel free!
Christine, pregnancy advisor and mum
Amazing things are happening inside! Learn how your baby develops in this first trimester.
2nd Trimester: your baby's development
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3rd Trimester: your baby's development
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