When is a dating scan done

Decoding your dating scan

This is a scan done early in pregnancy before 12 weeks of gestation. It is only natural to be curious and concerned about pregnancy and early pregnancy scans can give you peace of mind. Normally it includes a scan across your lower abdomen with a full bladder trans abdominal scan and an internal scan transvaginal scan. The internal scan does not harm the embryo in anyway and is a standard practice to obtain adequate details of early pregnancy. By about 8 weeks the embryo can be readily seen by transabdominal scan. It really depends on the reason for having the scan.

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Below are the common scans performed during the course of a pregnancy. Additional scans may be referred at any time during the course of your pregnancy to check the wellbeing of the baby and mother. A dating scan is performed around week 8 of pregnancy but can be done as early as 5 weeks. It is used to confirm due dates, assess the viability of the pregnancy, check the number of embryos, provide maternal reassurance, and to rule out ectopic pregnancy fetus developing outside of the womb. Following the dating scan, a screening test for early detection of Down syndrome called a Nuchal Translucency NT scan is usually booked in around week 12 of pregnancy but can generally be done between 10 weeks 6 days to 14 weeks 1 day depending on patient circumstances. Our preferred date for this scan is 12 weeks 3 days and patients are encouraged to book in at that time to ensure optimal imaging for example, the nasal bone may not diagnosed prior to 12 weeks.

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Ultrasound scans in pregnancy

It includes:. Our Dating Scan is designed to date your early pregnancy and assure you that your pregnancy is continuing. You will receive a clear written report of your scan results, including our recommendation for your next steps.

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