Thanks for writing to us.
A long cycle of 39 days is mostly anovulatory. It is good that your doctor has considered going for a follicular study
to detect the ovulation. You are getting the right treatment. Hormone tests are recommended.
I hope this information has been both informative and helpful for you. You can consult me again directly through my profile URL http://bit.ly/Dr-Rakhi-Tayal
Dr. Rakhi Tayal