(TVS) reveals gestational sac
of 6 weeks with good cardiac activity of fetus. So don't be much worried and you are carrying a healthy pregnancy
. Sometimes sac may be one sided but it changes to mid line in later weeks with most possibility.
Continue folic acid
supplements, protein rich diet,avoid long journey/heavy work, maintain personal hygiene, take adequate rest and repeat scan as told by your doctor for detailed view. Do periodic check up and suggestive investigations.
Be well and wish for successful motherhood.