Preparation for dating scan

13-Nov-2016 19:29

In order to create a clear view of your baby, it’s worth drinking a pint of water an hour before the scan.‘This pushes the uterus into a better position so we can see the baby more easily,’ says Dean Meredith who is a Sonographer at The Portland Hospital, London.The Late Dating Scan is a reassurance scan that takes place in the first couple of weeks of the second trimester.The individual body parts of the baby can now be measured and many of the organs can be seen.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.But don’t overdo it – we all know how often you need to pee these days.You will get a hospital appointment with a sonographer for your scan.

If the pregnancy is very early the gestation sac and fetus will not be big enough to see, so the transvaginal approach will give better pictures.

the baby and its heart beat can be detected relatively easily with trans-abdominal and trans-vaginal examination.

This is presuming that the pregnancy is actually at this stage of development.

The sonographer will put some gel on your tummy and move a probe over the skin.

The image will come up on a big screen television so that you can see all the structures that are being examined. The heart rate is worked out to determine viability. This includes measurements of the head, abdomen and femur bone in the leg. The amniotic fluid volume, placenta location and umbilical cord vessels are also assessed.

If the pregnancy is very early the gestation sac and fetus will not be big enough to see, so the transvaginal approach will give better pictures.

the baby and its heart beat can be detected relatively easily with trans-abdominal and trans-vaginal examination.

This is presuming that the pregnancy is actually at this stage of development.

The sonographer will put some gel on your tummy and move a probe over the skin.

The image will come up on a big screen television so that you can see all the structures that are being examined. The heart rate is worked out to determine viability. This includes measurements of the head, abdomen and femur bone in the leg. The amniotic fluid volume, placenta location and umbilical cord vessels are also assessed.

For transvaginal ultrasound you can have an empty bladder Dating scans are usually recommended if there is doubt about the validity of the last menstrual period.