Posted by 
A blood test can indicates pregnancy that will end in miscarriage, levels of hormone that is responsible for maintaining the embryo’s structure is very important for healthy pregnancy.
If this hormone is okay at the time of the blood test it will release some hormones that are very important for a healthy pregnancy. The test is taken when the pregnancy is 15 days old.
The hormone levels will determine if the pregnancy will reach 8 weeks.
Low levels of βHCG hormone are linked to risk of miscarriage. When the hormone’s blood concentrations are below 30 units per litre, the risk of miscarriage is high.
Levels of 30-to-40 units per litre give a pregnancy a 24 per cent chance of reaching the eight-week, while 50-to-70 units per liter is 52 per cent. More than 70 units per litre indicates that the fetus has 86 per cent chance of survival.
haleplushearty.blogspot.com