Progesterone drop?

Sydney • Im 29, married in August of 2015, rainbow baby girl Macyn Kay 11/12/17🌈 Expecting Rainbow #2 September 2020
Has anyone else has there progesterone levels go down every month? I just keep regressing and I'm getting really frustrated!! Did 3 cycles of 50mg only ovulated the first and the last round was 100mg my levels were .4 worst they have been..