Introduction
In developing countries, one in every four sexually active women who wish to avoid getting pregnant have unmet needs for modern contraception. These women contribute to 82% of all unintended pregnancies in developing countries. Contraception is any method used to prevent pregnancy. Different methods work in various ways, but the basic criteria are that the method used must prevent the sperm from reaching the ovum and fertilizing it. The choice and practice of contraception may be influenced by different factors such as age, fertility health conditions like hypertension or diabetes, current use of interacting medication, smoking, number of partners, ...
