Bendrieji principai visoms toliau išvardintoms situacijoms

• Gyvybės kelias. Billings'o metodas. A. Cappella, UAB "Leidykla Farmacija", Kaunas 1992 (36, 37, 38, 39 psl.)
• J.&S. Kippley "Natural Family Planning. The Complete Approach (Labai išsamus praktinis vadovėlis, subalansuota katalikams, atsisiųsti el. formatu būtina registracija, pageidaujama piniginės aukos)

Po gimdymo

• Vaisingumo pažinimas pagimdžius (LIC "Už gyvybę)
  
• Vaisingumo pažinimo taikymas po gimdymo (vaisingumopazinimas.lt)
• Vaisingumo pažinimas V. Rudzinskas, LIC "Už gyvybę", Kaunas 1999 (45, 46, 47, 48, 49, 50 psl.)
• How NFP Works in Breastfeeding.pdf (Natural Family Planning Teachers' Association) ir Breastfeeding And Fertility.pdf (The Fertility Education Trust)
  
• Billings Ovulation Method during Breast Feeding (billings LIFE)
  
• Lactational Amenorrhea Method (Institute for Reproductive Health, Georgetown University)
  
• After Childbirth (Post Partum) (Natural Family Planning Teachers Association of Ireland)
  
• Breastfeeding Guidelines.pdf (Northwest Family Services)
  
• Breastfeeding. Effect on Fertility (The Couple to Couple League)
  

Premenopauzėje

• Vaisingumo pažinimo taikymas premenopauzėje (vaisingumopazinimas.lt)
• Vaisingumo pažinimas V. Rudzinskas, LIC "Už gyvybę", Kaunas 1999 (50, 51, 52 psl.)
• How to Use NFP in the Menopause.pdf (Natural Family Planning Teachers' Association)
• Menopause (Natural Family Planning Teachers Association of Ireland)

Po hormoninių kontraceptikų vartojimo

• Vaisingumas nustojus vartoti hormoninius kontraceptikus (vaisingumopazinimas.lt)
• Vaisingumo pažinimas V. Rudzinskas, LIC "Už gyvybę", Kaunas 1999 (53, 54 psl.)
• How to Change to NFP.pdf (Natural Family Planning Teachers' Association)
• After Stopping the "Pill" (Natural Family Planning Teachers Association of Ireland)