If babys heartbeat is normal at 9 weeks are the chances of miscarriage decreased?

Pregnancy: The presence of a normal heart rate at 9 weeks reduces the risk of miscarriage. Most studies show that the presence of a normal fetal heart rate decreases the risk of micarriage to 3 to 5% (as compared to 15-20% before seeing a fetal heart rate.) there are a number of factors that can impact the risk of miscarriage, and good prenatal care is critical to improve the chances of success.