Chances of misscarage after 6 week healthy baby heart beat?

Variable : Chances of miscarriage depend on various factors... Your risk of clotting disorders, structurally normal uterus, healthy location for the placenta and much more... If you have never had a miscarriage - don't worry about it. You are only 21 and will have a healthy pregnancy. Best wishes.

Low: The risk fell rapidly with advancing gestation; 9.4% at 6 (completed) weeks of gestation, 4.2% at 7 weeks, 1.5% at 8 weeks, 0.5% at 9 weeks and 0.7% at 10 weeks (chi(2); test for trend P=.001). Obstet Gynecol. 2008 Mar;111(3):710-4. doi: 10.1097/AOG.0b013e318163747c. Miscarriage risk for asymptomatic women after a normal first-trimester prenatal visit. Tong S1, Kaur A, Walker SP, Bryant V, Onwude