Finding a cup

Hi guys Im new to the whole menstrual cup community. I bought a diva cup recently. I tried to insert it but I couldn't fit it in. I'm 17 years old and haven't had sex. Can you guys help me find a cup the will fit in me. I think I have a high cervix. But my opening is small. I'm thinking about the Lena cup. But if you have better suggestions for me please tell me.
Thank you!