According to recent USG report, absence of fetal cardiac activity around 6-7 weeks of gestation represents sign of miscarriage
or more specifically missed abortion
You should consult with your gynecologist at the earliest for proceeding medical or surgical method ( D & C) of abortion for complete evacuation of the intrauterine cavity.
In case of medical abortion
, take abortifacient drugs as per recommendation under supervision of gynecologist to avoid unnecessary excessive vaginal bleeding
. Post pill abortion, a USG for pelvis is needed to be done to check for retained bits if any. In such cases, D & C is advisable.
Be well & take care yourself.