Often called the pregnancy hormone, progesterone is produced by the ovaries and extremely important during reproductive years. But when you have any sort of drop of the hormone, you may have migraines, irregular bleeding, and mood changes. #progesterone Benefits Of Progesterone, Natural Fertility Boosters, Progesterone Deficiency, Weak Bones, Fertility Trying To Conceive, Holistic Fertility, Progesterone Cream, Fertility Nutrition, Boost Fertility