Thank you for your inquiry.
For the answer to your question, please go to our Ask the Expert section and type “progesterone” into the search box. You will pull up several entries. The most recent of these is on 3/25/2013. You will find the answer to your inquiry there and will also be given other entries that have dealt with this issue in the past.
Thank you again for your inquiry and we hope this response is helpful to you.
Phil Lieberman, M.D.