Good evening everyone... I have such a question, can you tell me how b…

Good evening everyone... I have such a question, can you tell me how best and correctly... I have a delay and the test is positive. The app shows 5 weeks. I went to the doctor (went to see), she told me to go to a gynecologist and they will count and say when to come for registration... So, I have a question: do I need to go to a gynecologist without an ultrasound or should I first go through an ultrasound and then go with the result? Just in my previous pregnancy, I did that because I found out later... It's been 4 years and I can't figure out how to do it... or now should I just go to the gynecologist without an