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.
During pregnancy, it is important to have a blood test to find out your blood type. More than 85% of people in the world are Rh positive, meaning that they have the Rh antigen. This can be problematic if the mother does not have the Rh factor but the fetusâs blood does. This page will give you basic information on the Rh factor and what it can mean for your pregnancy. There are several different blood types, such as A type, B type, and O type.