The too much population is the problem that is faced by the world. Population can increase by geometric proportion. Hundreds or thousands of earths will be too less a space, you do not control your self. There is no to opinions about controlling the population and preventing the pregnancies. You can not expect the society to go for sexual abstinence.
Some researchers think pregnancy is controlled by preventing conception (fertilization), while others believe that the devices prevent embryo attachment to the uterine wall (implantation).
it is not preventing pregnancy
No, Septra is an antibiotic, not a contraceptive. It will have no effect on preventing pregnancy or affecting fertility.
The purpose of these hormones is to prevent pregnancy; they are about 99% effective in achieving this goal.
Yes, it is rare but it can happen. They may still get their period while pregnant or believe birth control is preventing them from getting their period.
Probably
The birth control pill, if used correctly, has over a 98% chance of preventing pregnancy. Other methods with high efficacy in preventing pregnancy include the Depo-Provera injection as well as birth control implants and IUDs. However, the most effective form of birth control is abstinence.
The Depo shot has about a 99% chance of preventing pregnancy.
Birth control works by preventing pregnancy. If you are already pregnant, birth control is of no use.
it keeps sperm from going to the eggThe diaphragm prevents pregnancy by preventing the sperm from fusing with the egg or by blocking the opening to the uterus.
Unless they break during intercourse.
That is not a safe or effective method of preventing pregnancy.