Because none of them is 100% safe.
For me it was but there is some complications associated with it...
If inserted during your period or within five days of the end of a pregnancy, the contraceptive implant is immediately effective. If inserted at any other time, it becomes effective after seven days.
Contraceptive just means anything which can prevent conception. Abstinence does this best and abstinence is not a sin. Also, condom use is not regarded as a sin (at least by the vast majority of the world's religions). Even birth control pill use, IUD use and the morning after pill are not considered "sinful" by the majority of people (although there is more controversy regarding use of the morning after pill - than with any other contraceptive method except abortion).
in what circumstances is the reducing balance method more appropriate than the straight line method?
The pycnometer method is more accurate than the hydrometer method because it uses an analytical balance.
In general, the IUD is an excellent method with high reliability. Along with the contraceptive implant, it is recommended by the American Academy of Pediatrics and ACOG as a first-choice method for adolescents. Talk with your health care provider about whether it's a good choice for you.
If you leave the contraceptive implant in longer than prescribed, you will not have pregnant protection after its life is over. It does not present any dangers.
Indoor plumbing was very important because it was much more sanitary than the originally used method. Fewer flies were attracted to the location of the restrooms making things much more germ - free.
The contraceptive implant is the most effective method on the market. There's nothing that works better. It's not 100% effective, but it's more effective than all other options.
The moon is important for research, but is not more important than the sun.
duty is more important than inclination
Farmers are more important than