Dating pregnancy with ultrasound
However, in the early pregnancy, the developing embryo is very small (at 6 weeks gestation, the baby is only 5-9mm long) and a transvaginal ultrasound may be required to get a better image of the baby.Transvaginal ultrasound is safe and commonly performed during all stages of pregnancy, including the first trimester. Transabdominal ultrasound involves scanning through your lower abdomen.During the examination, the fetus is seen by abdominal ultrasound.Occasionally the view is not clear and it may be necessary to perform a vaginal scan.A small amount of ultrasound gel is put on the skin of the lower abdomen, with the ultrasound probe then scanning through this gel.The gel helps improve contact between the probe and your skin. It involves scanning with the ultrasound probe lying in the vagina.
Your sonographer may even print out the image of your baby and give it to you as a keepsake.
You will probably be give you a printout of your baby by the sonographer as a keepsake, it is important to remember the main purpose of the scan.
The first Trimester Scan, is Scans are usually performed by a doctors, midwives or radiographers who are specially trained in ultrasound, and are known as sonographers. The amount of liquor (amniotic fluid), the position and appearance of the placenta and a detailed scan of the baby itself.
Transvaginal ultrasound usually produces better and clearer images of the female pelvic organs including the developing pregnancy, because the ultrasound probe lies closer to these structures.
The transvaginal ultrasound probe is thin, about 2cm diameter.
3-D Ultrasound – Uses specially designed probes and software to generate 3-D images of the developing fetus.