Cerazette is a popular mini-pill which can prove to be nearly 99% effective in preventing you from conceiving. It is usually prescribed to women who are breastfeeding, can develop side effects because of oestrogen or are above the age of 35 and smoke. It works in three ways to prevent you from becoming pregnant. Firstly, it prevents the process of ovulation so that no egg is released from the ovaries. Secondly, it thickens the mucus of the cervix which makes the entry of a sperm into the womb difficult. Finally it causes the thinning of the womb lining due to which an egg to is unable to attach itself and grow.
Micronor, Birth control medication which 避孕藥 is prescribed to women who are sensitive to the oestrogen hormone. This medication prevents pregnancy in two ways. Firstly, it thickens the cervical mucus with the help of synthetic progestogen due to which it becomes challenging for a sperm to enter the womb and fertilise an egg. Secondly, the womb lining is altered so that an egg is unable to attach itself and grow there. This pill should be taken every day for 28 days of your menstrual cycle without any break.