Progesterone only Flashcards
How to take
Every day
Same time ±3hrs
Action of the mini pill
Thickens cervical mucus (desogestrel inhibits ovulation)
Advantages of the mini pill
Can be used in older women, lactating mothers, VTE
Not affected by antibiotics
Action of depo provera injection
IM injection every 3 months
Inhibits ovulation & thickens mucus
Advantages of depo provera injection
Can be used in breast feeders
Can cause irregular bleeding for first few weeks, usually followed by amenorrhoea
Disadvantages of depo provera injection
Progestogenic side effects
Bone density decreases over first 2-3 yrs, then stabilizes. Regained after stopping.
Action of nexplanon implant
Advantages? disadvantages?
Lasts 3 years. Prevents ovulation & thickens mucus
No drop in bone density
Progestogenic side effects common, particularly irregular bleeding in first year
Action of mirena coil
Replaced every 3-5yrs
Changes to cervical mucus and tubal fluid + prevents endometrial proliferation
Advantages of mirena coil
Reduces menstrual loss and pain
Fewer systemic side effects
Rapid return to complete fertility after removal.
Irregular light bleeding can be a problem however
Complications of contraceptive coils
Pain/Cervical Shock, Expulsion, Perforation, Menorrhagia/Dysmenorrhoea
Can spread asymptomatic STIs to PID
Contraindications to contraceptive coil
Cervical/Endometrial cancer Vaginal bleeding Pelvic infection breast cancer pregnancy