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.
Rhogam, or anti-D immune globulin, is an injection given to women who are pregnant and have a negative blood type. This medication has been described as one of the most important advances in the field of obstetrics in modern history. Your blood type can be either A, B, AB, or O as well as negative or positive. The negative/positive refers to the absence or presence of Rh antigen on the surface of your red blood cells. When women are Rh negative, they do not have any Rh antigen on their red blood cells.