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 your blood group is rhesus negative then you will need an injection of anti-D immunoglobulin if you have an operation for your ectopic pregnancy or if you have had a lot of bleeding. You are rhesus positive if you have the rhesus factor, which is a protein on the surface of your red blood cells.