Estrogen Therapy of Functional Dysmenorrhea: Analysis of Clinical Results*†*This study was aided by grants to one of us (E. C. H.) from the Research Council of Duke University and from Ayerst, McKenna & Harrison, Ltd., New York, N. Y.†Conjugated estrogen (Premarin) used in treatment was supplied by Ayerst, McKenna & Harrison, Ltd., New York, N. Y.