Pregnancy ultrasound scan is pretty exciting (you get to see your baby) and slightly scary (just what will you see?
The scan will be carried out by a sonographer, who is trained in performing scans and knowing what to look out for.
Scan is primarily for dating but the sonographer will also look in on a few more things at the same time.
What happens at a dating scan
Screening tests for downs syndrome is best performed after the dating scan as an accurate due date is required to assess whether hormone levels are actually abnormal or normal for that stage of pregnancy.
Are usually happy for you to bring your partner or someone else to the scans.
The 12-week scan will also check the location of your placenta to ensure placenta praevia is not a concern.
How long will the dating scan take
Dating scan is non-intrusive and wont be painful; in fact, it can be quite a relaxing and exciting experience to see your little one and their tiny heartbeat for the first time.
The scan you will be asked to drink a lot of water and have a full bladder, as this puts the uterus in a better position to be scanned.
Dating scan is the first time you (or anyone) will have seen your baby so theres a few things that your sonographer will look out for and things youll find out: how many weeks pregnant you are, and your edd (estimated date of delivery).
What happens at your first dating scan
You havent had the combined nuchal scan and blood testing forscreening for chromosome abnormalities, youll be offered a screening blood test between 14 and 20 weeks.
The vast majority of women take up all the scans they are offered, and they can offer really important information about your baby, you are not obliged to have any of them at all if you don't wish to.
12-week scan is the first opportunity for your baby to be examined for any abnormalities that could indicate a problem with his development.
Here are the main checks they'll be making:Age and size at my 12-week scans for my son and daughter, they were both asleep in a little ball and i had to jump about so the midwife could get a good look.
Should have your first pregnancy ultrasound scan in between 10 weeks and 13 weeks pregnant, but it can vary on a couple of other factors including where you live and how youve been up to the 12th week of pregnancy.
This is why an early pregnancy dating scan, rather than one done in the later stages of pregnancy, is considered more accurate when assessing the expected date of delivery.
Are two routine scans in pregnancy and the first is called the 12-week scan or dating scan this is because one of the things it looks at is the exact gestation, giving a better idea of your baby's estimated due date.
Pregnancy screening tests and scans you'll be offered vary slightly between different parts of the uk, so ask your midwife or gp what's available at the hospitals in your area.
Scan will be booked for you by your doctor or midwife and will usually take place at your local hospitals ultrasound department.
A problem is picked up on the dating scan you will usually be offered further tests and referred on to a more specialist department to find out more about what's going on.
Not all areas offer this test as routine but when it is offered it is usually done at the 12-week scan.
Is a scan or ultrasound which determines your expected date of confinement (edc) based on the development of the embryo.