The number of apps that give women the tools to track their fertility is growing exponentially, and many make grand claims of effectiveness and ease.
You should visit a genealogical site instead.
Among the 10 women I spoke to who use fertility awareness in some form, almost all of them said they knew next to nothing about their cycle before they started, including the fact that they even have a fertile window.
On this, Polis agrees:
In January, a hospital in Stockholm reported that 37 out of women seeking abortions from September to December said they were using Natural Cycles as their primary birth control method.
The Swedish Medical Products Agency is currently investigating the reportsthough the company argues that such numbers still fit within their predicted efficacy rate and that the number of asian massage sex tumblr reported with Natural Cycles has consistently remained within the expected threshold.
By Alexandra Sifferlin August 15,
Natural Cycles, which is based in Stockholm, conducted a prospective, observational study of over 4, women using their app.
The group now has over 18, members.
We hold the only copy of many of the UK's large national surveys charting social research back decades.