Hi dear. Usually the scan is done in abdomen. Only if its difficult to get a clear damage or any other complications, TransVaginal Ultrasound may be recommended.
Hi,Dear When there is a heart beat nothing to be worried about,Howerver Hcg level has to be doubled every 2 to 3 days,in few cases hcg level raising will be slow but still they deliver a healthy baby,Stay positive, if you have any doubts discuss with your doctor once, Drink plenty of water.Take proper diet all the best