Prenatal screening (20 weeks)
![Elle Echo Top](https://content.ellemidwives.nl/images/general/_AUTOxAUTO_crop_center-center_80_none/1204/elle-echo-top.webp)
The 20-week scan is a screening for physical abnormalities.
You can have the 20-week scan from week 18 to week 21 of your pregnancy. This means up to 21 weeks and 0 days of your pregnancy. The best time to have the scan is in week 19 of your pregnancy. That is 19 weeks and 0 days to 19 weeks and 6 days of your pregnancy.
More about the second-trimester examination for structural physical abnormalities.
![Liane](https://content.ellemidwives.nl/images/team/_250x250_crop_top-center_80_none/1534/Liane-EURL8473.webp)
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