disadvantages of natural family planning

What are the disadvantages of natural methods of family planning?

• It may take up to six cycles to learn effectively
• There are periods when sex is avoided and this may coincide with the time the woman has her strongest desire
• Daily records need to be documented
• Indicators of fertility may be changed by events such as illness, stress, shift work, medication etc
• Both the woman and her partner need to co-operate in the process
• There is no protection against sexually transmitted diseases