Error: This is required. Error: Not a valid value. A dating scan is an ultrasound scan to determine how many weeks pregnant you are and your due date. Read on for more information about what a dating scan offers. A dating scan might be recommended before 12 weeks to confirm your due date if you are unsure of your last menstrual period or your date of conception.
The scan is optional and not everyone will have it. You can discuss whether you want or need a dating scan with your doctor or midwife. If you choose to have a dating scan, it will most probably be your first scan.
You will need to get a referral from your doctor or midwife for a dating scan. Most women can instead have their first scan at 11 to 13 weeks — this is usually called the week scan. A dating scan is carried out by ultrasound. A sonographer, who is usually a radiographer or a midwife trained in ultrasound, will complete your scan. If the scan is after 10 weeks, ultrasound recordings are usually made through your abdomen. The sonographer will put gel on your abdomen and move a hand-held device called a transducer, back and forward over your skin.
In some situations, such as when the scan is completed before 10 weeks of gestation or you are overweight, you may also need a vaginal scan. Your sonographer will let you know if this is needed. For an abdominal dating ultrasound, you will need to have a full bladder. You may be asked to drink some water and not go to the toilet beforehand because a full bladder helps to push your womb up to give a better picture.
For a vaginal scan, you can have an empty bladder. This will provide a fairly accurate estimate of how many weeks pregnant you are. But it is important to remember that only a few women go into labour on their due date, so it can be more helpful to think about the month in which you are expecting your baby, rather than the exact day.
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Your partner will be offered her first ultrasound scan at weeks of pregnancy. This scan:. If everything is OK, this scan is likely to be one of the most amazing moments of your life. You and your partner will usually have to wait until the week scan — that is, if you want to know.
Every time you have a scan, you walk in there holding your breath and crossing fingers, toes, eyes and everything else. In the first trimester your health professional will talk with you and your partner about screening tests for chromosomal abnormalities and other conditions.
Screening tests work out the chance of your baby having certain chromosomal abnormalities or other conditions. The results will say that your baby has a high chance or that your baby has a low chance of having certain conditions.
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