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. 2016 Mar 22;21(3):234–241. doi: 10.3109/13625187.2016.1154143

Table 3.

Previous contraceptive method prior to the study, as well as chosen contraceptive method for red (fertile) days given by the application. The data were provided by 1233 women who answered the questionnaire. Women were able to select multiple choices or skip the question(s) completely.

Contraception Number of women Percentage of women
Contraception usage prior to using Natural Cycles    
 Hormonal contraceptive pill 748 65
 Condom 146 13
 Hormonal implant 66 6
 Intrauterine device 25 2
 Withdrawal 38 3
 Abstinence 10 1
 Fertility awareness methods 15 1
 Other 109 9
Contraception usage during red (fertile) days    
 Condom 871 74
 Withdrawal 379 32
 Abstinence 162 14
 No protection 82 7
 Diaphragm 7 1
 Other 30 3