What are the chances of getting pregnant while on the pill?
Contraceptive pill Fewer than 1 in 100 women will get pregnant in a year when using the combined pill correctly. Typical use: around 91% effective. Around 9 in 100 women using the combined pill will get pregnant in a year.
How do you know if you are pregnant on the pill?
Signs of pregnancy on the pill Breast soreness or tenderness. Urinating more often than usual. Constipation. Experiencing unusual tastes or being highly sensitive to certain smells.
How often does birth control fail?
The pill, ring and patch have typical-use failure rates of 7%, and perfect-use failure rates of less than 1%. Male condoms and internal (female) condoms are considered “coitally dependent” methods, because they are generally employed near the time of sexual intercourse.