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The failure rate of fertility awareness varies widely depending on the system used to identify fertile days, the instructional method, and the population being studied. Some studies have found actual failure rates of 25% per year or higher.
A woman whose menstrual cycles ranged in length from 30 to 36 days would be estimated to be infertile for the first 11 days of her cycle (30-19=11), to be fertile on days 12–25, and to resume infertility on day 26 (36-10=26). When used to avoid pregnancy, such fertility awareness-based methods have a typical-use failure rate of 25% per year. [18]
[76] MacDonald noted that the total fertility rate for the richest quintile of the population is 2.0, while the total fertility rate of the poorest quintile is 5.9. The total fertility rate for women with a college education is 2.3, about half that of women with only elementary education (4.5).
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Among young women, the fertility rate has dramatically increased from 167 births per 1000 aged between (15–19 years) in 2011 to 194 in 2015 with a large increase in rural areas from 183 to 230. Contraceptive prevalence among (15–19 years) remains low at 14% in 2015 when compared to the national prevalence among the reproductive age group ...
With typical use, first-year failure rates are considerably higher, at 9%, due to inconsistent use. [24] Other methods such as condoms, diaphragms, and spermicides have higher first-year failure rates even with perfect usage. [30] The American Academy of Pediatrics recommends long acting reversible birth control as first line for young ...
For avoiding pregnancy, the perfect-use failure rate of Creighton was 0.5%, which means that for each year that 1,000 couples using this method perfectly, that there are 5 unintended pregnancies. The typical-use failure rate, representing the fraction of couples using this method that actually had an unintended pregnancy, is reported as 3.2% ...
The insurer's study, which surveyed 1,000 adults in July, found that 51% of parents said they suffer anxiety due to not having enough money to support their family.