Confused?

K🥹🫶🏾

So I went to the ER yesterday with pain. According to my last period I should be 7 weeks today. they did a transvaginal ultrasound. They said baby’s heartbeat was 129, my hcg levels are 25,968 and said I’m about 5weeks 6 days.... is the ultrasound accurate?? Pushed me a week back