You may need a transfusion of red blood cells if you have lost a lot of blood or your red blood cell count is low (anemia). You may need a platelet transfusion if your platelet count is low (thrombocytopenia). White blood cell transfusions are rare and are only done in very specific situations.
1 So, the earlier after a missed period you take a HPT, the harder it is to spot the hCG. 2  If you wait one week after a missed period to test, you are more apt to have an accurate result. 3  Also, testing your urine first thing in the morning may boost the accuracy. When you use them â The amount of hCG in a pregnant womanâs urine increases with time. 2  So, the earlier after a missed period you take a HPT, the harder it is to spot the hCG. 3  If you wait one week after a missed period to test, you are more apt to have an accurate result.
How soon can you take a pregnancy test? Fortunately, you no longer have to wait until you miss your period to take a pregnancy test and possibly receive accurate results. There are many pregnancy tests on the market today that allow you to test up to six days before your period is due. However, most tests are accurate about two weeks after possible conception. Note, possible conception could be anytime between about one and five days after sex, depending on when you had sex in your fertile window in relation to ovulation.