Ovulaion test or fertility monitor

Hi everyone,

I m french and i need to do a IVF, but i want to check if i really have a ovulation.

With my husband we did all tests last year and we know than we need ivf but i can t remenber what tes the specialist told all to use for check my ovulation ( the blood test i did wasn t show any ovulation but i did 3 months a "curved" temperature than was show a ovulation)

Thank you very much to help me if any one know wich one i need to use.

ps: sorry about the "curved" but i m not sure about the name

TY
cel