Could barely see anything abdominal ultrasound 7 weeks 3 days

Kelsey • TTC baby #2❤️ Baby girl born 03/26/2019🎀💗

Saw the sac and the doc said he might have seen a heartbeat but I could barely see anything.. it could be cuz I’m fat lol and hard to see with an abdominal.. anyone had anything similar? I won’t go back until 4 weeks from now..