Obstetric dating scan

Doppler scans may also be necessary in that situation.Measurements of fetal nuchal translucency, nasal bone and facial angle according to the standards of the Fetal Medicine Foundation.Ultrasound imaging in pregnancy is widely used to evaluate the baby.It can determine if a baby is present, the position of the fetus and if there is a multiple pregnancy.Having a scan in the first few months of pregnancy can be a thrilling experience.

You will lie on your back on an examination couch and the transducer moved back and forth across your stomach in order to gain the best possible image of the fetus.

Not all units offer an early scan if all is going well in this pregnancy, though.

Ask your GP if you want the reassurance of an early scan. The scan's main purpose is to work out accurately how many weeks pregnant you are and estimate your due date.

The scan can confirm the number of babies in the uterus, the embryo can be observed and measured by about five and a half weeks and a heartbeat usually detected by 6 weeks.

Scans at this stage in pregnancy are reassuring for women experiencing bleeding, pain or who have had previous miscarriages.

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