according to her last menstrual period (if dates are correct and she had at least three regular periods previously), the gestational age
should be around 8 weeks,
by this time the heart beat of the fetus will be usually noticed,
anyhow as at present she is having bleeding let her consult gynecologist as early as possible and take medication like progesterone
injection or tablets for preventing the bleeding and can go for ultrasound
now as 10 days over from prior scan, which will find out the present baby status and you can proceed accordingly.