A member asked:

Why do products that don't have progesterone in them cause a woman to feel the affects of actual progesterone increase, like in progest. ?

A doctor has provided 1 answer
Dr. Robert Grieco answered

Specializes in Family Medicine

Receptors: Hormones exert their effect by binding and stimulating specific receptors on cells. How a substance binds to a receptor, how many receptors, how much of the receptor, how potent it is, on what cell for how long determine the effect, not the name of the substance. Good health.

Answered 5/2/2014

4.1k views

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