Natural family planning. Low failure rate with symptothermal method.

Natural family planning.

Natural family planning methods provide a unique option for committed couples. Advantages include the lack of medical adverse effects and the opportunity for participants to learn about reproduction. Modern methods of natural family planning involve observation of biologic markers to identify fertile days in a woman's reproductive cycle. The timing of intercourse can be planned to achieve or av...

Efficacy of the Marquette Method of natural family planning.

PURPOSE To determine the effectiveness of the Marquette Method (MM) of natural family planning (NFP) as a method of avoiding pregnancy. STUDY DESIGN AND METHODS This was a 12-month retrospective evaluation of the MM system of NFP. Two hundred and four women (mean age, 28.6 years) and their male partners (mean age, 30.3 years) who sought to learn a method for avoiding pregnancy with the MM fro...

Correlation between low T3 syndrome and mortality rate in patients with systolic heart failure

Introduction: This study was performed to evaluate the prevalence of low T3 syndrome among patients with heart failure and to assess the correlation between decreased level of tri iodothyronin (T3) with mortality rate. Methods: In a prospective cross-sectional study, 91 patients with systolic heart failure were admitted to Mohammadi hospital in Bandar Abbas in 2008.Thyroid function test w...

WHO and Research in Natural Family Planning

The Effect of Litter Culling, or Family Planning, on the Rate of Natural Selection. Ucrl-11833.

I N his classic paper “A Mathematical Theory of Natural and Artificial Selection,” HALDANE (1924) devotes some space to the consideration of “those cases where the struggle occurs between members of the same family.” HALDANE termed this familial selection, citing as an example the matings of yellow by yellow mice from which litters are no smaller than normal, although one quarter of the embryos...