A Trial of the Ovulation Method of Family Planning in Tonga

Lancet. 1972 Oct 14;2(7781):813-6. doi: 10.1016/s0140-6736(72)92164-2.

MeSH terms

  • Adolescent
  • Adult
  • Cervix Mucus / metabolism*
  • Cervix Mucus / physiology
  • Family Planning Services*
  • Female
  • Follow-Up Studies
  • Humans
  • Methods
  • Middle Aged
  • Ovulation*
  • Periodicity
  • Polynesia
  • Poverty
  • Time Factors
  • Vaginal Smears