The ovaries are a part of this system as are is the hypothalamus and thyroid. The adrenal glands also take up the slack in producing hormones as the ovaries go into retirement. It has been shown to be very successful via scientific research for improving memory and also aiding Alzheimer's patients. Yamcon is a progesterone cream. Ways to fool mother nature would be to exercise.
Weight training increases muscle mass which can increase metabolism.
Supporting the adrenal glands can also help. It is a precursor to most of our other hormones. There are receptor sights for progesterone in the brain, in nerve cells, in bone, etc. Our uterus is not the only organ to utilize it. Labs show have almost zero testosterone.