I don’t know if I was the poster you had in mind, but your comments piqued my interest, so I’ll respond.
This isn’t necessarily a question of the Church taking on a teaching role in NFP. Instead, it’s a question of the institution putting its money where its mouth is on the issue of licit fertility control.
As it stands, research institutions (i.e. universities and pharma companies) have to apply for grant funding through private donors or government programs to carry out clinical trials for their products/methods. Given the relative unpopularity of NFP and its perceived inefficacy among medical doctors (as evidenced by lack of coverage in medical school curricula and cited inefficacy in teaching materials referencing Trussell), there is little to no appetite to fund empirically validated trials of NFP methods. Without empirical evidence supporting use of a given “contraceptive” method, medical schools will not incorporate that method into its training curriculum. That translates into a cohort of doctors who can’t provide NFP-based medical care to their patients. If patients, when making the medical decision of how to manage fertility, can’t access that information from a trusted third party (i.e. their doctors), they will disproportionately choose a non-NFP option. Extrapolate that trend, and it explains why (here in Canada), there are only a few dozen couples teaching
any NFP method nationally. It’s pitiful.
The Church can break that negative feedback loop by providing funding for research that can then be used to promote and improve the major NFP methods. The existing clinical trials lack credibility for a variety of reasons, not limited to strong subject self-selection biases, lack of diversity of subject population (on the basis of ethnicity, level of education, age, and a variety of health factors), and adverse selection confounders among test subjects. Then there’s also the challenge of accurate coding of method failures among participants, as outcomes are self-reported and may reflect changing goals within test cycles. None of these issues are deal-breakers in well-designed trials that address compliance, reporting, and sample selection.
One of the major methods, Marquette, uses objective hormonal analysis to assess fertility. Why is the Church not supporting scaling that research and commercialization? It would have profound moral and humanitarian benefits if widely adopted, which would be most strongly felt among the world’s poor.
As I’ve said before, this is an opportunity the Church should be seizing.
As to whether women (couples) can/should self-teach or receive instruction and monitoring from a medical professional, I’d say that’s a matter of personal preference. My opinion is that any medical matter should be addressed with an appropriately trained professional. I wouldn’t self-diagnose/self-treat a blood pressure issue, so why a fertility one?