NFP will not address menstrual irregularities. Neither will hormonal bcp. Only a real endocrine workup can even give a hint of a real diagnosis. Everything else is just, “See symptom X, apply prescription Y.”
I’m not against an “endocrine workup” but the fact remains THE PILL CAUSES BLOOD CLOTS and NATURAL FAMILY PLANNING DOES NOT, and it is effective!
“Natural Family Planning (NFP) is a safe, natural and effective way to postpone, avoid or achieve pregnancy.
snip
Billings Ovulation Method: www.boma-usa.org: This basic ovulation method has wide appeal among diverse cultures. Used in more than 120 countries, with 3.6 million couples in China. Also offered in Spanish.”
http://www.flrl.org/NaturalFamilyPlanning.htm
Plus, as excerpt states, woman can use the same knowledge, if they want to get pregnant.