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.
1 Fertility treatment: If you receive shots of hCG or gonadotropins (for example, Pregynl, Profasi, Pergonal, APL) for ovulation it's posible to have a positive urine or blood pregnancy test for two to three weeks after the shot and not be pregnant. The most important though very rare false positive blood test is a woman who has a low positive blood pregnancy test, the urine test is negative, and she is not pregnant. 2  Defective Pregnancy Test-Expired tests or faulty home pregnancy tests can also lead to false positive results.