6. Contraceptive Methods

Contraceptive methods include

1. mechanical barriers to prevent the sperm from coming into contact with the ovum, e.g. male condom that is worn over the penis and diaphragm that is worn over the vagina.

2. preventing implantation e.g. insertion of intra-uterine device at the uterus.

Above: Insertion of Intra-uterine device at the uterus to prevent implantation of embryo.

2. delaying ovulation e.g. use of contraceptive pills

3. surgical methods such as vasectomy and ligation which are illustrated below.