Sex Hormones And Contraception And HRT Flashcards
Mentstual cycle
FSH secreted by pituitary recruits follicle and mature eff to graph Ian follicle this secretes oestrogen making endometrium thick to receive egg , ovulation, peak of fsh ans lh, grpahian rupture and release of egg and corpus luteum , now entering Luteal phase maintains healthy thick endometrium able to receive blastocyst .
If not fertilised drop in progesterone causes endometrial lining to be shed
Contraception is broken into 4 groups
What are the hormonal oral group
COCP
POP
Long acting reversible cotraceptives LARC
Implant
Injection
IUS
IUD
Barrier methods are obvs and are condom and ring and diaphragm what are natural
Rhythm methods and withdrawal
COCP suppress the sec reaction of LH and FSH and ovulation. Thickens the cervical mucous and thins the endometrium
It is taken for 21 days then break for 7
Pros and cons
Effective in treating menorrhagia nand may reduce PID good for acne and PMS too
Reduce hormonal related pathology , cystic breast disease, ovarian cysts, endometrial and ovarian cancer
Cons
Increased risk of VTE , MI and stroke with migraine aura
Breast cancer risk
Not for overweight, hypertensive, post natal older women
Progesterone only pill taken every day without break and thickens cervical mucous and thins the endometrium and may inhibit obvulation pros and cons
Suitable for breastfeeding
Avoids the cardiovascular and VTE risks of oestrogen and COCP improve menstueal problems
Cons is must be taken in 3hr window, irregular bleeding, headaches breast tenderness and acne
Implant is progesterone only sub-dermal implant inserted for 3 years on upper arm and inhibits ovulation and thickens the cervical mucous and thins the endometrium
Pros and cons
Lasts 3 yrs and reversible fertility , suitable for breast feeding women and reduce menstueal problems
Cons is cause irregular bleeding in first year, acne breast tender and mood changes and headaches and surgical insertion
Injection is progesterone only depot injection last 12 weeks inhabiting ovulation thickening cervical mucous and thins endometrium
Pros and cons
Suitable for breast feeding and can cause amenorrhea
Cons is delay in return of fertility for up to year
Loss of bone density and menstrual irregular
Weight gain
IUS are t shaped devices which release levonorgestrel (progesterone) over 5 years also called the miruna coil it causes endometrial atrophy and cervical mucus thickening
Reduces chances of menorrhgaia and dysmenorrhea
Good for heavy periods and no weight gain
Cons is unpleasant insertion, risk of PID, ectopic preg , expulsion and uterine per formation
IUD is a t shaped coppemdevice lasting 10 years
Free from hormonal side effects and effective immediately after fitting
It’s unpleasant to insert, risk of PID, spotting and heavy bleeding, increased blood loss and painful periods reported, pelvic pain and ectopicmprrg
Natural rhythm methods calendar and apps and temperature
Perfect use not much failure and good for religious beliefs
25% failure rate
Abstinence in fertile window
Irregular cycles
What is the menopause
12 months of spontaneous amenorrhea
Early menopause
Under 45
Premature menopause
Under 40
Why does the menopause occur
Due to depletion of ovarian follicles causing a drop in oestrogen and progesterone with a resulting spike in FSH and LH SX include menstueal irregularity etc
Sx of menopause
Menstrual irregularity
Casokotor such as sweats and flushes
GI symptoms
Sleep disturbances
Mood changes
Loss of sex drive
Types of HRT
Oestrogen only - only use in women without a uterus , hysterectomy to risk of endometrial cancer
combined HRT
Combined HRT two types
Cyclical periods under 12 months ago
Continuous - amenorrhoeic
Form of tablets, patches gels and topical vaginal gels
Even is asymptomatic for early menopause
For cardiovascular and osteoporotic protection
HRT benefits
Release of Sx
Reduction in osteoporosis
Reduce cardiovascular risk
Reduce risk of colorectal cancer