| Table 1: | ||
| Effectiveness of Contraceptive Methods | ||
|
Contraceptive
Method
|
Pregnancies
per 100 Women
in First 12 Months of Use |
|
|
As
Commonly Used
|
Perfect
Use
|
|
| Combined oral contraceptives |
5
|
0.1
|
| Progestin-only pills |
5
|
0.5
|
| Depot medroxyprogesterone acetate |
0.3
|
0.3
|
| Female sterilization |
0.5
|
0.5
|
| Levonorgestrol IUD (Mirena) |
0.1
|
0.1
|
| Copper IUD (Paragard T 380A) |
0.8
|
0.6
|
| Lactation amenorrhea method |
2
|
0.5
|
| Male condoms |
14
|
3
|
| Diaphragm with spermicide |
20
|
6
|
| Female condoms |
21
|
5
|
| Spermicides |
26
|
6
|
| Cervical
cap nulliparous women parous women |
20 40 |
9 26 |
| Coitus interruptus |
19
|
4
|
| Symptothermal |
|
2
|
| Ovulation method |
|
3
|
| Rhythm method |
|
9
|
| No method |
85
|
85
|
| Similar
data is not yet available for newer methods including the shield, patch
or hormonal ring. Adapted from reference 5. |
||
|
Copyright
2005 The Cleveland Clinic Foundation
|
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