my LMP was 12 th November and pregnency test positive, last week i went for scanning, according to lmp 7th week 5 days and gestation age is 6 week 1 day, no heart beat found

A. Hello! I guess you need to wait for a week or 2 to repeat the test again for the fetal heartbeat. In certain cases that can happen somewhere between ninth and 10th week of pregnancy. Keep your doctor informed about any changes or concerns.