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If you're offered further tests, you will be given more information about them so you can decide whether or not you want to have them.
You'll be able to discuss this with your midwife or consultant.
The second scan offered to all pregnant women is called the anomaly scan, or mid-pregnancy scan, and usually takes place between 18 and 21 weeks of pregnancy.
This scan checks for structural abnormalities (anomalies) in the baby.
This is because most babies are healthy and do not have abnormalities. If a problem is found or suspected, the sonographer may ask for a second opinion from another member of staff.
You might be offered another test to find out for certain if there is a problem.
For many women, ultrasound scans are the highlight of pregnancy.For example, you may be offered further tests, such as amniocentesis, that have a risk of miscarriage.The first scan is sometimes called the dating scan.See What if a screening test shows a possible problem?for more information on what may happen if a scan or other screening test suggests an abnormality.
Please ask your hospital about this before your appointment.