Bleeding on hormone replacement therapy (HRT) can sometimes be concerning, but is often not serious. However, any unexpected bleeding should be evaluated by your doctor.
Some key points about bleeding on HRT:
- Bleeding is common when first starting HRT as the uterus adjusts to the new hormone levels. This often resolves within 3-6 months.
- Breakthrough bleeding - light bleeding between periods - can occur if hormone levels fluctuate. This is usually not serious.
- Heavy or prolonged bleeding may indicate an underlying gynecological condition needing further evaluation.
- Bleeding that occurs after menopause or after being on HRT for some time should be assessed.
Causes of bleeding on HRT
Common causes include:
- Initial adjustment to hormones when starting HRT. The uterine lining builds up, then sheds, causing withdrawal bleeds much like a period. This typically lasts around 3-6 months.
- Hormone fluctuations like low estrogen levels can lead to breakthrough mid-cycle spotting.
- Missed doses of hormones may trigger bleeding from hormone withdrawal.
- Infection or anatomical issues with the uterus or cervix.
- Endometrial hyperplasia - excessive buildup of the uterine lining.
- Uterine fibroids or polyps disrupting the uterine lining.
Evaluating abnormal uterine bleeding
If you experience bleeding outside of what is expected, see your doctor for evaluation. Things they may check:
- Pelvic exam to check for signs of infection, anatomical issues.
- Ultrasound to evaluate the uterine lining, rule out fibroids/polyps.
- Biopsy of the uterine lining to check for hyperplasia if bleeding is heavy or prolonged.
Treatment depends on the underlying cause but may include:
- Changing hormone therapy: adjusting dosages, switching preparations
- Medications like NSAIDs or birth control pills
- Procedures such as endometrial ablation for excessive lining buildup
In most cases, bleeding due to HRT can be managed with simple adjustments.
Heavy, prolonged or recurrent bleeding warrants medical advice to rule out serious issues. Track all bleeding episodes and share details with your doctor.
I hope this overview on bleeding with HRT helps provide some reassurance and guidance on when to seek further care. Don't hesitate to consult your doctor with any other questions or concerns.