Dating scan how much water to drink
One common reason an ultrasound scan may be done is to check on the growth of the baby if they are measuring small at a routine antenatal visit. twins or triplets) may be advised to have more frequent ultrasound scans than usual.
Your doctor may also recommend having an ultrasound if you have an episode of vaginal bleeding.
This is especially important for early pregnancy scans, as a full bladder pushes your uterus out of the pelvis so that images of the baby can be more easily obtained.
Your doctor or the ultrasound clinic or hospital where you are having the scans will give you instructions on how long before the test you should drink the water, and how much to drink. You may feel a small amount of discomfort associated with having a full bladder, or when having a transvaginal ultrasound.
Most pregnant women will have an ultrasound scan during their pregnancy.
They can also show whether it is a single or multiple pregnancy (twins or more).Ultrasound is a way of taking a look at the baby without using potentially dangerous X-rays.During an ultrasound scan, high-frequency soundwaves are used to create moving images of the developing baby, shown on a screen.Pregnancy ultrasounds offer an opportunity to check that your pregnancy is progressing as expected and that your baby is healthy. An alpha-fetoprotein (AFP) test is a blood test that can show whether your fetus has signs of some birth defects, in particular, spina bifida (a type of neural tube defect) or chromosome abnormalities.Many people feel reassured to see images of their developing baby. Royal Australian and New Zealand College of Radiologists. Congenital heart defects are problems with the structure of the heart that are present from birth. In Australia, as many as one baby in 100 is born with a heart defect.