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What happens at dating scan

You will be offered a scan that produces a two-dimensional (2-D) black and white image that gives only a side view of the baby.

The sonographer or their assistant will tuck tissue paper around your clothing to protect it from the gel, which will be put on your tummy.

The sonographer then passes a handheld probe over your skin to examine the baby's body.

The scan checks for major physical abnormalities in your baby, although it can't pick up every problem.