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This is sometimes called a nuchal translucency scan.The nuchal translucency measurement can be taken during the dating scan.Journal of Obstetrics and Gynaecology Canada 1;39(9): 805 – 817.
In that case, you might need further tests, or a second scan to check the first scan's findings.
If your uterus (your womb) is very deep in your pelvis, or if you're overweight, you may be offered a transvaginal ultrasound.
When your scan is complete, a report will be sent to your healthcare provider, who will review the results with you. This measurement, known as the crown rump length (CRL), is very accurate in the first trimester After 13 weeks, your baby can curl up and stretch out, so measuring the length becomes less accurate. Implementation of maternal blood cell-free DNA testing in early screening for aneuploidies.
All pregnant women in England are offered an ultrasound scan at around 8 to 14 weeks of pregnancy. It's used to see how far along in your pregnancy you are and check your baby's development.
Your midwife or doctor will book you a dating scan appointment.Conception usually occurs around 14 days after your LMP, which is when you ovulate.