The sensitivity of uterine musculature is
Progesterone reduces muscle excitability by increasing calcium binding, thereby reducing free intracellular calcium. Oestrogen has the opposite effect and increases myometrial excitability.Refer page no 106 of Textbook of obstetrics, Sheila Balakrishnan, 2 nd edition.
Enhanced by progesterone
Enhanced by estrogen
Inhibited by estrogen
Enhanced by estrogen and Inhibited by progesterone
General obstetrics