ImprovingBirth.org just posted this article on facebook, I had no idea, and I’m at risk for my next babies myself, so I am very glad to have found this! Doula Dawn in San Diego has a lot to say about it. I loved the link inside it too there is a very informative interview with Dawn as well.
Have a Cherished Birth!
Edited to add Your Cherished Birth does not recommend the use of any natural or drug related aid to rippen the cervix without consulting your doctor and educating yourself on the pros and cons of such use.