Obstetric dating scan viability Top adult chat sites
The person performing the scan is called a sonographer.You may need to have a full bladder for this scan, as this makes the ultrasound image clearer.– At this stage we can see a fetal heartbeat and the early separation of the embryo from the yolk sac.We look at the heartbeat and measure the Crown Rump Length (CRL), this means the measurements are taken from the top of the baby’s head to its bottom.
An ) provides reassurance in this very early stage of your pregnancy.
Early Pregnancy Scans are normally performed trans-abdominally (through your tummy) however an internal (vaginal) scan may be required at earlier gestations ie 6-7 weeks to see all the necessary detail, or if your womb tilts backwards (retroverted).
We will always try to scan trans-abdominally first but if we need to do an internal scan then this will not be harmful in any way to the baby and would be discussed prior to having the scan.
From this measurement we can work out how many weeks and days preganant you are (this early measurement is approximate for dating).
If a fetal heartbeat is present the risk for miscarriage at this stage is reduced to approximately 5%.