Progesterone only pill (POP)

Question 1

MoA

Answer 1

Thickens mucus in cervix to stop sperm reaching an egg.
Alternative when oestrogens (e.g. COC) is contraindicated

Question 2

What can it cause?

Answer 2

Menstrual irregularities
- Heavy/light periods (common)
- Irregular periods
- Prolonged periods

Question 3

How to take

Answer 3

OD on a continuous basis
Start on day 1 of cycle
Take at same time each day
If started after day 5 of menstrual cycle = use extra protection for 2 days

Question 4

Hormonal contraceptives - SE (both)

Answer 4

Cancer
- Combined = increased risk of cervical + breast cancer
- Progesterone only = increased risk of breast cancer