Although you don't need a scan to confirm a pregnancy, having one in the early weeks will: But scans can also be quite worrying.Speak to your doctor if there are things you don't understand or if you have any concerns after the scan.

Usually two scans are done during the first trimester.
A dating and viability scan, between six and nine weeks and an early morphology scan or NT scan between 11 and 13 weeks.
If you are having a transvaginal scan (TVS), you will need to empty your bladder first. You will need to undress from the waist down so that the probe can be easily inserted into your vagina.
The nurse or assisting staff will usually cover your legs with a sheet while the scan is happening.
A vaginal scan is done by introducing a probe into your vagina. Abdominal scan After 10 weeks and for the rest of your pregnancy, you will have an abdominal scan.
However, if the doctor needs to check your cervix (mouth of uterus and birth canal), a transvaginal scan may be done as it is more accurate.
There are two ways of doing a first trimester scan: Transvaginal scan (TVS) If your doctor wants you to have a scan earlier than 10 weeks of pregnancy, you will have a transvaginal scan.
In these early weeks of pregnancy, your baby is too small and low in your abdomen to be picked up by an abdominal ultrasound scan.
During an abdominal scan, the doctor will put some (usually very cold) gel on your tummy.
She will then move a small hand-held probe or transducer over your skin to get views of your baby.
If you're having an abdominal scan, you will need to have a full bladder, so it's best to drink lots of water before you arrive.