This is an excellent compilation of information from women who have been using transdermal progesterone for more than five years. Virtually every question ever asked by women experiencing hormonal flux is answered in a clear, concise manner. From Why are my symptoms returning after seven months?, to How do I talk to my doctor about progesterone?, as well as specific descriptions of how progesterone works in the body and what you can do to enhance its effectiveness. We highly recommend this book to everyone who is considering using transdermal progesterone