The patient must present with a full bladder. 1  2hrs prior to the appointment, the patient should empty their bladder. 2  Over the next hour they should drink at least 1 litre of water. This allows time for the water to reach the bladder. 3  Do not go to the toilet until instructed by the Sonographer.
It is important to get the Rhogam shot if you are a negative blood type and your significant other is a postive. Negatuve blood type is a recessive trait, therefore its highly likely your baby will have a postivie blood type. A negative blood type means your blood cells lack a protien coating.
If this is your first pregnancy, you or your developing baby may not be at much risk. However, if this is a second or later pregnancy, the condition may adversely affect both your health and your babyâs growth (2). The only time when you will not require a RhoGAM shot is if the father of the baby is also Rh negative.