Your first scan can be very exciting because it gives you a first glimpse of your baby.
Your sonographer may even print out the image of your baby and give it to you as a keepsake.
In most cases, this will be combined with a blood test for increased accuracy.
This is to check that your baby is developing normally.
Most of the time, the placenta has moved into a better position by the time you're 32 weeks pregnant.
Most experts agree that scans should only be performed by a qualified healthcare professional.
Even then, scans are only recommended when there's a clear medical reason, such as checking that your baby's developing normally A scan may show if you are expecting a girl or a boy.
A first-trimester scan will check that your baby's heart is beating and also look at the basic anatomy of your baby’s head, abdominal wall, and limbs.
Ultrasound scans have been used in pregnancy for decades, and nobody has found them to be harmful if carried out correctly.In this case, your sonographer may offer to do the scan through your vagina (transvaginal scan). You won't need a full bladder for this type of scan. The vaginal transducer is long and narrow to fit comfortably inside your vagina. If you consent, you may also be scanned by someone who is training in ultrasound, under the direct supervision of a qualified sonographer. Having a scan with a trainee can be an interesting experience as it can let you know exactly what the sonographer is looking for during your scan. The investigation and management of the small-for-gestational-age fetus. However, if your sonographer can't get a clear picture, she may offer you a transvaginal scan to confirm the position of your placenta.