EDD keeps changing

Is it normal for the edd to keep changing and moving up? Is the ultrasound accurate because it says baby is 1week ahead of this app. #1stimemom #advicepls

Belle

Mama of a little baby squish

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Super Mum

The estimated edd is calculated by size. So if the edd on the ultrasound is further than the last menstrual date calculation, it just means your baby is bigger than average. The detailed scan at around 11 weeks will be the most accurate and will be used to decide edd

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