how efffective is POP
more than 99% effective with perfect use, but less effective with typical use (91%).
How is POP taken
continuously, unlike the cyclical combined pills
UKMEC 4 criteria for the POP
active breast cancer
2 types of pOP
Traditional progestogen-only pill (e.g. Norgeston or Noriday)
Desogestrel-only pill (e.g. Cerazette)
what is considereded a missed pill for traditional progesterone only pill
Taking the pill more than 3 hours late is considered a “missed pill”.
what is considered a missed pill for Desogestrel-only pill
Taking the pill more than 12 hours late is considered a “missed pill”.
how does traditional POP work
Thickening the cervical mucus
Altering the endometrium and making it less accepting of implantation
Reducing ciliary action in the fallopian tubes
best time to start pOP
Starting the POP on day 1 to 5 of the menstrual cycle means the woman is protected immediately.
what to do if u start POP lateer than day 5
. Additional contraception is required for 48 hours.
how to switch between POPs
POPs can be switched immediately without any need for extra contraception.
mc se of POP
Unscheduled bleeding - common in first 3m then settles
Other se of POP
Breast tenderness
Headaches
Acne
how many ppl bleed from POP
20% have no bleeding (amenorrhoea)
40% have regular bleeding
40% have irregular, prolonged or troublesome bleeding
What does POP increase ur risk of
Ovarian cysts
Small risk of ectopic pregnancy with traditional POPs (not desogestrel) due to reduce ciliary action in the tubes
Minimal increased risk of breast cancer, returning to normal ten years after stopping
what to do if u miss a dose of POP
take a pill as soon as possible, continue with the next pill at the usual time (even if this means taking two in 24 hours) and use extra contraception for the next 48 hours of regular use.
Emergency contraception is required if they have had sex since missing the pill or within 48 hours of restarting the regular pills.