hello, it's better to get a 2nd scan on your 8th or 9th week as the heartbeat will be more obvious. each pregnancy differs from each individual. some may hear/see the heartbeats on the monitor screen at 5 to 6 weeks, some may only experience it during the 8th to 9th week. so just wait and go for a second scan! don't stress yourself too much. as long as there is no heavy bleeding and pregnancy symptoms are still there, all should be fine and well. take care!