Should I go see a new doctor?

Amber

Okay, so, I’m currently 15 days late. The past 2 weeks I’ve been super nauseous and been throwing up here and there just generally feel gross and bloated. I scheduled an appointment with my OB. She need a pregnancy test and it came back negative through urine. They also came back negative at home, which was no surprise, but what is surprising is what the doctor told me. She said since I’m 5’3 and 22 and I weigh 189.7 that it’s “because i am overweight, which is why my period is late. You have PCOS. you need to lose weight and you’ll be okay. Do you want birth control so you can get your period?” I said no. Can we run blood work to test and just make sure? She told me “ no hunny, you don’t need bloodwork for that. I’ll run your thyroid since your over weight “ I declined and left. WHAT SHOULD I DO? Should I get a second opinion? I’ve never been diagnosed with PCOS in my life and don’t have any symptoms? I also had my thyroid checked 2 months ago, and everything was perfect! So I need help WHAT SHOULD I DO?