A novel estrogen product for postmenopausal women called Estring (EST-ring)
February 1997
Pharmacia-Upjohn is marketing a novel estrogen product for postmenopausal women called Estring (EST-ring).
It's a flexible vaginal ring that slowly releases estradiol. It's inserted like a diaphragm...then replaced after 3 months.
Estring relieves vaginal and urinary discomfort.
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