How long does it take for a child to develop in the womb 2024?
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Studied at the University of Vienna, Lives in Vienna, Austria.
It takes just 38 weeks for a fertilised egg to grow into a baby. However, we say that a human pregnancy is 40 weeks long. This is because doctors calculate the 'estimated date of delivery' of the baby from the beginning of the mother's last menstrual period - on average, two weeks before fertilisation.
2023-05-25 12:20:17
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Owen Edwards
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It takes just 38 weeks for a fertilised egg to grow into a baby. However, we say that a human pregnancy is 40 weeks long. This is because doctors calculate the 'estimated date of delivery' of the baby from the beginning of the mother's last menstrual period - on average, two weeks before fertilisation.