Partial male-sterile (ms(4)/ms(4)) soybeans (Glycine max L. Merr.) and their fertile isoline (Ms(4)/Ms(4)) were grown in adjoining field plots. From 62 until 92 days after emergence, the nitrogenase activity, assayed by acetylene reduction, of the average male-sterile plant was approximately twice that of the average fertile plant. At approximately 100 days after emergence, the assayable nitrog...

Introduction: Infertility is known to have a negative effect on couple's life and in most cases it has a profound impact on sexual relations. Sexual problems may be the cause of infertility or may arise as a result of infertility. The aim of this study was to compare the sexual problems in fertile and infertile couples. Methods: This cross-sectional study was performed on 110 infertile and 110 ...

BACKGROUND The TwoDay Algorithm is a simple method for identifying the fertile window. It classifies a day as fertile if cervical secretions are present on that day or were present on the day before. This approach may be an effective alternative to the ovulation and symptothermal methods for populations and programmes that find current natural family planning methods difficult to implement. M...

Two experiments were carried out to examine the interaction of egg storage period, egg position during storage, and turning frequency during subsequent incubation on fertile hatchability and embryonic mortality of broiler hatching eggs. Broiler hatching eggs from breeder flocks at 62 and 60 wk of age were stored for either 3 or 14 d at 18 degrees C and 75% RH in either the normal large end up o...

background: infections are one of the correctable causes of infertility with low cost and cost effective treatment. the 50% of infertile cases is related to men in some way, and 30% of them are absolutely related to them. mycoplasmas are the smallest microorganisms with capability of dna replication. present study is planned to compare the mycoplasma infection in infertile men and men with esta...

background: phospholipids are distributed asymmetrically between inner and outer leaflets of the plasma membrane of live cells. early during apoptosis, this asymmetry is disrupted and phosphatidylserine becomes exposed on the outside surface of the plasma membrane. there is little information about the effects of vitrification on apoptosis. objective: the aim of the present study was to evaluat...

BACKGROUND Nowadays, Chlamydia trachomatis is known as a causative agent of infertility. Because of, asymptomatic nature of infection, many may suffer from its lasting complications such as infertility. This study was performed in Tehran during April 2007 to April 2008 to compare the prevalence of Chlamydia trachomatis infection in fertile and infertile women using ELISA and PCR methods. METH...

background: infertility is described nearly universally as an extremely stressful condition with enduring effects on the marriage as well as each partner’s well-being. the present study was done to compare stress reactions, coping styles, subjective well-being and its sub-scales in fertile and infertile women. materials and methods : this analytic cross-sectional study enrolled 120 women (60 fe...

introduction infertility as the bitterest life experience can affect sexual function. infertility is a reproductive health problem and many studies have showed agitation, stress, depression, marital and sexual dissatisfaction as the psychological outcomes of infertility. this study aimed to compare sexual satisfaction in fertile and infertile women referring to peymanieh hospital in jahrom, 201...