Combined pills and minipills
In principle, all contraceptive pills
work in the same way. They contain hormones which thicken the mucus at the entrance to the womb so sperm can’t enter, change the lining of the womb so eggs can’t implant and they stop ovulation. Different pills contains different hormones but the working mechanism is the same, with the exception that some minipills do not stop ovulation.
Minipills are pills which do not contain any oestrogen
. They have to be taken within a smaller time frame and unlike combined pills, they are taken every day without a break (whereas combined pills are taken for three weeks per cycle).
Depending on the hormones your pill contains it can have additional benefits such as improving your skin. Your GP will choose a pill which suits your needs. However, you may have to try several pills before you find the pill which works best for you.