This is because the sound waves go through them with no echoes.
The person performing the scan (sonographer) will look at these different shades to interpret the images.
The earlier the ultrasound is done, the more accurate it is at estimating the baby's due date.Having a scan in the first few weeks of pregnancy can be thrilling.It's wonderful to see the little blob with a heartbeat that will become your baby.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.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.For example if you a tiny sac can be seen in the uterus, but the baby and its heart beat may not be detected yet.All scans are performed by a qualified Sonographer with diagnostic obstetric scanning experience.Determination of fetal gestation, dating of pregnancy, single or multiple pregnancy confirmation using ultrasound between 12 – 16 weeks gestation, no sexing. Includes: This scan includes viewing your baby in live 4D from available views and thermal b/w 3D scan prints at no extra charge.An ultrasound scan sends sound waves through your womb (uterus). The echoes are then turned into an image on a screen that shows your baby’s position and movements.Hard tissues, such as bone, reflect the most sound waves and so make the biggest echoes.However, you will need to ask at the start of your scan, and some hospitals charge for this service.Your first scan won't be able to tell you the sex of your baby just yet.the baby and its heart beat can be detected relatively easily with trans-abdominal and trans-vaginal examination.