Prospective European multi-center study of natural family planning (1989-1992): interim results. The European Natural Family Planning Study Groups.

@article{1993ProspectiveEM,
  title={Prospective European multi-center study of natural family planning (1989-1992): interim results. The European Natural Family Planning Study Groups.},
  author={},
  journal={Advances in contraception : the official journal of the Society for the Advancement of Contraception},
  year={1993},
  volume={9 4},
  pages={269-83}
}
  • Published 1993 in
    Advances in contraception : the official journal…
Since 1989 an international multicenter prospective study to evaluate the effectiveness and acceptability of natural family planning (NFP) methods in Europe has been conducted by the NFP Research Center at the University of Düsseldorf in collaboration with the European Zone of the International Federation for Family Life Promotion (IFFLP). Fourteen NFP-organizations from nine European countries participate in the study. Cycle data from women in the fertile age group are transferred to a special… CONTINUE READING