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If the only inputs are daily oral temperature and menstruation dates, I have a hard time believing that they get to 99% without essentially fudging the number v
by 0xcde4c3db 8y ago
If the only inputs are daily oral temperature and menstruation dates, I have a hard time believing that they get to 99% without essentially fudging the number via a convenient definition. For example, total ratio of users who do/don't get pregnant over a given time period regardless of how frequently the user is having sex or what other contraceptive methods they might be using.
- bena 8y agoI think the fudge here is "as directed". As in if you put in all of the data accurately, take it accurately, and don't accidentally mess it up in one of the 700 simple ways to do so, it is 99% effective.