Hello,
There are some causes of low progesterone which should be ruled out and these include high
estrogen levels, stress, lack of exercise and poor nutrition, insulin resistance, medications and polycystic ovarian disease.
Diagnostic tests for PCOS are 2 hr GTT,serum androgen and testosterone levels,LH-FSH ratio,prolactin levels,TSH levels,17-hydroxyprogesterone levels and 3D ultrasound done.