The US Center for Disease Control (CDC) has compiled statistics on various methods of contraception, and their success rates. Most methods must be used correctly every time in order to maximally effective.
Effectiveness (from least to greatest):
71-82 % Spermicides alone
79-95 % Female condom
75-99 % Fertility awareness planning ("the rhythm method")
85-98 % Male condom
94-94 % Diaphragm or cervical cap
92-99 % Oral contraceptives ("the Pill")
92-99 % Mini pill
92-99 % Hormone release patch
92-99 % Hormone release vaginal ring (the NuvaRing)
97-99 % Hormone injections ("the shot")
99 % Subdermal implant (aka "Norplant")
>99 % Copper T IUD
>99 % Mirena IUS (hormone release IUD)
100 % Total abstinence
A combination of male condoms and spermicidal lubricant is often recommended since it is easy to use, doesn't require advance preparation, and can be obtained without a doctor's prescription.
The calendar method is the least dependable method of contraception (aside from keeping your fingers crossed).
i think the most effective method is a condom and the pill No it is Abstinence
Oral contraceptives (or "the pill") Sterilization
Condoms, IUDs, birth control pills, depot birth control medications (e.g. monthly, or quarterly), morning-after pill methods, contraceptive sponge, cervical cap, sterilization ... and the least effective method of contraception - the "rhythm method".
what are health teaching about basal body temperature method of contraception?
Condoms
There are no medications that interact with Paragard and make it less effective. That is one of the great advantages of this method of contraception.
mediation
Not all pills are contraceptives. For example, aspirin, simvastatin, and sildenafil do not prevent pregnancy.
Withdrawal
Yes. With most birth control pills or other contraception, you need to use a backup method (such as a condom) for at least the first seven days after starting the contraception. If you think you might be pregnant, please see your doctor immediately.
No sex at all.