HRT Flashcards
What are the 4 types of HRT?
Unopposed oestrogen
Combined HRT
Cyclical regime
Continuous schedule
What is unopposed oestrogen?
Provides oestrogen daily
Advantages of unopposed oestrogen?
Used for women who have undergone early menopause due to hysterectomy
Can help prevent hot flashes
Disadvantages of unopposed oestrogen?
Increased risk of endometrial (uterine) cancer
Increased risk of venous thrombosis
Increased breast tenderness and fluid retention
Combined HRT info?
Provides oestrogen taken daily
Progestin taken either daily or only part time
Can be taken continuously or in cyclic regime
Advantages of Combined HRT?
Reduces risk of endometrial cancer
Reduces risk of osteoporosis
Can help prevent vaginal dryness
Disadvantages of combined HRT?
Increased risk of stroke
Increased breast tenderness and headaches
What is cyclical regime of HRT?
Oestrogen and progestin taken for 3 weeks then stopped for 1 week when woman menstruates.
OR
Oestrogen taken continuously and progestin is taken for 10-14 days per month following which a woman has a withdrawal bleed.
Advantages of a cyclical regime of HRT?
Lighter periods
Reduced risk of osteoporosis
Reduces vaginal dryness
Disadvantages of cyclical regime of HRT?
Still have periods
Breast tenderness
What is a continuous schedule of HRT?
Same hormones taken everyday of the month
Either in tablet form or skin patch, or under the skin implant
Advantages of continuous schedule of HRT?
No withdrawal bleeds
Reduced mood swings
Can help prevent hot flushes
Disadvantages of continuous schedule of HRT?
Skin patch needs replacing every 1-2 weeks
Increased risk of breast cancer
Advantages of skin patches?
Convenient
No need to remember to take pills
No does and hormonal surges as continual steady release.
Less side effects
What is used as an alternative to HRT?
Phytoestrogens
- Chemicals found naturally occurring in plants
- Have a chemical structure very similar to oestrogen
- So can bind to oestrogen receptors on cells.
- Some can be converted to oestrogen-like compounds by bacteria in the gut by hydrolysis reactions.