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 Many Days After Missed Period Can Period Pregnancy Test Be Positive? Pregnancy tests check if you blood or urine has the human chorionic gonadotropin (hCG) hormone which is released after a fertilized egg is implanted on the wall of the uterus. This process takes six days after fertilization in most cases. The level of hCG continues to increase throughout pregnancy and doubles after 2-3 days. To get a positive pregnancy test, most women will have to wait 5-10 days after their period was due.