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How Effective is Natural Cycles as Birth Control?
Effectiveness is always at the core of any birth control method. The standard measurement of contraceptive effectiveness is called the Pearl Index.
Does the Covid vaccine affect your cycle?
When the Covid vaccines became available, one of the questions that kept coming up was: do Covid vaccines have an effect on the menstrual cycle?
How does Natural Cycles Work with Irregular Cycles?
In this analysis, we investigated if users with irregular cycles (shorter than 21 days or longer than 35 days) can use Natural Cycles with the same effectiveness rate as those with regular cycles...