What Is the Pearl Index and How Does It Help Avoid Unwanted Pregnancy?
What kind of protection during sex is the most effective? No need to argue, everything has been decided for a long time.
Dr. Ely
General practitioner
The Pearl Index describes the effectiveness of different methods of protection. The numerical index is the number of pregnancies per 100 women. Individual characteristics including age, hormonal status, and general health are not taken into account when calculating the index.
What is the Pearl Index of the most popular means of contraception?
- Condoms: 2–18. In other words, between 2 and 18 out of 100 women got pregnant despite using it
- Intrauterine devices: 0.9–3
- Interrupted intercourse: 4–22
- Calendar method: 0.4–24
- Hormonal contraceptives: 0.1–9
- Injections, implants, intrauterine ring: 0.1–3
23 March 2021