METHODS OF CONTRACEPTION Human reproduction METHODS OF CONTRACEPTION Biology and Geology 3. Secondary Education 1

Methods of contraception BARRIER METHODS • The most frequently used are the condom and the diaphragm. They prevent contact between the sperm and the egg. To be effective, they must be put on properly before sexual intercourse takes place. The condom is the best way to prevent the transmission of sexually-transmitted diseases (STDs). Diaphragm Biology and Geology 3. Secondary Education

Methods of contraception MECHANICAL METHODS Such as the intrauterine device or IUD, for example. It is normally a T-shaped device which a doctor fits in the uterus. It affects implantation and the mobility and viability of the spermatozoa. IUD Biology and Geology 3. Secondary Education

Methods of contraception SURGICAL METHODS These methods are usually irreversible, and consist of cutting the Fallopian tubes, in the case of tubal ligation, or the vas deferens in the case of vasectomy. Vasectomy Tubal ligation Biology and Geology 3. Secondary Education