Prescribing information and Adverse event reporting can be found at the bottom of the page

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Endometrial
hyperplasia

What is endometrial hyperplasia?

Endometrial hyperplasia is broadly defined as an excessive cellular proliferation leading to an increased volume of endometrial tissue. It is characterised by an increase in the endometrial gland-to-stroma ratio greater than 1:1.1

 

Endometrial hyperplasia is further classified as simple or complex, with or without atypia. This classification system is based on the complexity and crowding of the glandular architecture.1

The most common presenting symptom of endometrial hyperplasia is abnormal uterine bleeding, including:

 

However, endometrial hyperplasia can also be asymptomatic and can spontaneously regress without being detected.1

Incidence and diagnosis

Transvaginal ultrasound

There are approximately

25,800

new cases of endometrial hyperplasia in the UK each year.1

Transvaginal ultrasound

The only levonorgestrel intrauterine system licensed for four years for endometrial protection during oestrogen replacement therapy (ERT)1

mirena_0

Efficacy and safety profile

The efficacy of Mirena® in preventing oestrogen-induced hyperplasia in peri-menopausal and postmenopausal women has been assessed in various studies.2,3

no-hyperplasia

 

No hyperplasia was detected in any of the trials, regardless of dose, method of administration of oestrogen component or duration of therapy.2,3,4

mirena-significantly

 

Mirena® significantly decreased menstrual bleeding compared with conventional oral hormone replacement therapy (P=0.001, N=200).2

continuing-merina

 

Continuing Mirena® use during the transition from contraception to ERT has no known additional adverse events on the vaginal bleeding profile.5

proportion of patients

 

The proportion of patients who had difficulties in coping with any items from the Women's Health Questionnaire decreased over time, during both the contraception and ERT phases with Mirena®.5

Find more Mirena® Product Information here.

PP-PF-WHC-GB-1035 May 2022

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Reporting adverse events and quality complaints

 

Adverse events should be reported. Reporting forms and information can be found at www.mhra.gov.uk/yellowcard. Adverse events should also be reported to Bayer plc.

 

If you want to report an adverse event or quality complaint, reports can be directed to: Tel: 011820‍63500 or email: pvuk@bayer.com

 

Further information is available on the “contact” tab at www.bayer.co.uk.