| Value |
Category |
| 1 |
pill |
| 2 |
iud |
| 3 |
condom |
| 4 |
spermicides |
| 7 |
female sterilization |
| 10 |
other modern |
| 11 |
calendar |
| 13 |
wd+calendar |
| 77 |
none |
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.