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.
Still, even if a woman tests negative, her baby will still be given a hepatitis B shot at birth in the hospital newborn nursery (unless you firmly request otherwise) as a 'catch all' of sorts. Newborns of HBsAg negative mothers should begin the hepatitis B vaccine series before hospital discharge.