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Fetal heart beat of 112/minute is perfect at 6weeks of pregnancy
. Normal range of fetal heart beat is between 100 to 120/mt at 6weeks of pregnancy. Fetal heart beat at 5 weeks is usually sam
as mother's heart beat between 80-85/mt, then It increases by 1 fetal heart beat everyday until 12 weeks of pregnancy.
May be your Doctor has seen some other associated clinical or USG findings which is suggesting any fear of abortion
. You may discuss with your Doctor again.
Hope you will find this answer useful. if any other query, you are most welcome.