natural family planning in which ovulation is assumed to occur 14 days before the onset of a period (the fertile period would be assumed to extend from day 10 through day 18 of her cycle)
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calendar method::noun | Spocien Dictionary
| Type | Words |
|---|---|
| Synonyms | calendar method of birth control, rhythm, rhythm method, rhythm method of birth control |
| Type of | natural family planning |
Examples of calendar method
calendar method
These are currently estimated using variants of the calendar method.
From the en.wikipedia.org
Researchers said that the ovulation test could cope with cycle variability, whereas the calendar method could not.
From the sciencedaily.com
On an individual basis only one in four women trying to conceive would have correctly identified their peak fertile days using the calendar method.
From the sciencedaily.com
The researchers found that use of the calendar method in women trying to conceive resulted in only one third of cycles where peak fertile days were correctly predicted.
From the sciencedaily.com
The calendar method, which uses the previous cycle length and subtracts 14 or 15 days to give an estimate of the day of ovulation, is the most commonly used technique for predicting fertility.
From the sciencedaily.com
Similarly, I am not sure how useful it is to have subtypes of calendar based method listed.
From the en.wikipedia.org
The World Health Organization considers the rhythm method to be a specific type of calendar-based method, and calendar-based methods to be only one form of fertility awareness.
From the en.wikipedia.org
The Calendar-Rhythm method is also considered a calendar-based method though it is not well defined and has many different meanings to different people.
From the en.wikipedia.org
The first formalized calendar-based method was developed in 1930 by John Smulders, a Roman Catholic physician from the Netherlands.
From the en.wikipedia.org
