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Junior Activity Week 
Pregnancy and Development
From conception until birth what changes occur ?
At fertilisation an ova or egg fuses with a sperm to form a zygote.  The zygote divides into two cells, then four cells, then eight etc.  The foetus becomes an embryo with recognisable limbs, organs form and as the baby develops it takes on a recognisable human form. At around 28 weeks the embryo could survive with specialised care.  Premature or early births carry some risks.
You will learn about the changes that occur in the developing foetus and embryo until it is born.
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