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Related Concept Videos

Disorders of Hemostasis01:24

Disorders of Hemostasis

Hemostasis, the process that stops bleeding after a blood vessel injury, is crucial for maintaining the integrity of the circulatory system. However, disorders of hemostasis can disrupt this delicate balance, leading to either excessive clotting or bleeding. These disorders can be broadly classified into thromboembolic disorders and bleeding disorders.
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Two factors primarily cause thromboembolic conditions.
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Hormonal Regulation of the Menstrual Cycle01:22

Hormonal Regulation of the Menstrual Cycle

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Updated: May 28, 2026

Auricular Point Acupressure Therapy: A Safe and Effective Treatment for Postsurgical Abortion Recovery
07:28

Auricular Point Acupressure Therapy: A Safe and Effective Treatment for Postsurgical Abortion Recovery

Published on: February 3, 2026

Unscheduled bleeding in continuous combined hormone therapy users.

Martha Hickey1, Devini Ameratunga, Jennifer L Marino

  • 1Department of Obstetrics and Gynaecology, The University of Melbourne & Royal Women's Hospital, Parkville, Victoria, Australia. Martha.Hickey@thewomens.org.au

Maturitas
|October 28, 2011
PubMed
Summary

Continuous combined hormone therapy effectively treats menopausal symptoms but often causes unscheduled vaginal bleeding. This bleeding is common, disliked by women, and usually lacks an identifiable pelvic pathology cause.

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Last Updated: May 28, 2026

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07:28

Auricular Point Acupressure Therapy: A Safe and Effective Treatment for Postsurgical Abortion Recovery

Published on: February 3, 2026

Area of Science:

  • Gynecology
  • Reproductive Medicine
  • Menopause Management

Background:

  • Continuous combined hormone therapy (HT) is a common treatment for menopausal vasomotor symptoms and vaginal dryness.
  • A frequent side effect of this therapy is unscheduled vaginal bleeding and spotting.
  • This bleeding can cause distress and lead to unnecessary medical investigations.

Purpose of the Study:

  • To summarize the effectiveness and common side effects of continuous combined hormone therapy.
  • To highlight the issue of unscheduled vaginal bleeding associated with continuous combined HT.
  • To underscore the implications of unscheduled bleeding, including patient dissatisfaction and resource utilization for investigations.

Main Methods:

  • Review of existing literature on continuous combined hormone therapy.
  • Analysis of reported side effect profiles, focusing on vaginal bleeding.
  • Discussion of the diagnostic workup for unscheduled bleeding in HT users.

Main Results:

  • Continuous combined HT demonstrates efficacy in managing menopausal symptoms.
  • Unscheduled vaginal bleeding and spotting are prevalent side effects.
  • Investigations for pelvic pathology in cases of unscheduled bleeding often yield no significant findings.

Conclusions:

  • While effective for symptom relief, continuous combined HT is associated with problematic unscheduled bleeding.
  • The high incidence of bleeding necessitates patient counseling and management strategies.
  • Further research may be needed to mitigate bleeding side effects or improve patient tolerance.