Which medications in the drug class Estrogens are used in the treatment of Abnormal (Dysfunctional) Uterine Bleeding?

Updated: Dec 07, 2018
  • Author: Millie A Behera, MD; Chief Editor: Richard Scott Lucidi, MD, FACOG  more...
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Very effective in controlling acute, profuse bleeding. Exerts a vasospastic action on capillary bleeding by affecting the level of fibrinogen, factor IV, and factor X in blood, as well as platelet aggregation and capillary permeability. Estrogen also induces formation of progesterone receptors, making subsequent treatment with progestins more effective.

Most AUB is secondary to anovulation. In these patients, endometrium continues to proliferate with asynchronous development. As blood supply is outgrown, irregular shedding occurs. Bleeding might be controlled acutely with high-dose estrogen for a short period of time. Several hours are required to induce mitotic activity, so most regimens require 48 h of therapy before continued bleeding is ruled a treatment failure.

Estrogen therapy only controls bleeding acutely and does not treat underlying cause. Appropriate long-term therapy can be administered once the acute episode has passed.

Conjugated equine estrogen (Premarin)

Women in perimenopause generally are estrogen deficient and might experience bouts of estrogen withdrawal bleeding. Many of these patients will recover regular menses and develop an improved sense of well-being with the initiation of hormonal replacement therapy, including estrogen and a progestin.

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