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.
Report Abuse. Typically, you get a shot at 28 weeks and then post partum if your baby is Rh+. You may get more if there is bleeding during pregnancy. The real thing you seem worried about is that the baby book said you will be sending antibodies to your baby at 33 weeks. Antibodies are generally a good thing to give to your baby.