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Predictors of Contraceptive Discontinuation in a Sexually Transmitted Disease Clinic Population
sexually transmitted disease Contraceptive unintended pregnancy
2009/9/17
CONTEXT: Women who attend sexually transmitted disease (STD) clinics are at high risk for unintended pregnancy. Little information is available, however, on the rates of discontinuation of effective c...
Improvement in the quality and fertilization potential of a human sperm population using the rise technique
fertilization potential human sperm population rise technique
2009/2/23
Semen from 63 individuals participating in an in vitro fertilization program was processed using a modified rise technique. Overall normal morphology was significantly improved in the rise (79.2%) as ...
Hormonal regulation of spermatogenesis in the hypophysectomized rat: quantitation of germ-cell population and effect of elimination of residual testosterone after long-term hypophysectomy
Testis germ cells androgen morphometry
2009/2/17
Spermatogenesis continues after long-term hypophysectomy (Hx), but massive cell degeneration prevents seminiferous tubules from attaining the full complement of cells. One objective of this study ...
Efficacy and safety of sildenafil citrate for treatment of erectile dysfunction in a population with associated organic risk factors
Hypogonadism medication/lifestyle modifications
2008/12/29
The objective of this study was to determine the efficacy and safety of sildenafil in patients with erectile dysfunction (ED) and associated organic risk factors in a multispecialty clinic. Patien...
Evaluation of a container for collection and shipment of semen with potential uses in population-based, clinical, and occupational settings
Evaluation container collection and shipment of semen population-based clinical occupational settings
2008/12/25
Large, population-based studies of semen quality are encumbered by the logistics and expense of obtaining semen samples from men who live in a variety of locations. A prototype semen collection and ...
Development of Normal Reference Values for Seminal Reactive Oxygen Species and Their Correlation With Leukocytes and Semen Parameters in a Fertile Population
Oxidative stress male infertility Endtz test spermatozoa standardization
2008/12/24
Although reactive oxygen species (ROSs) are clearly implicated in the pathogenesis of male infertility, few studies have attempted to define the basal levels of ROSs in fertile men. Levels of ROS...
Glu298Asp Endothelial Nitric Oxide Synthase Polymorphism Is a Risk Factor for Erectile Dysfunction in the Mexican Mestizo Population
Angiotensin-converting enzyme endothelial dysfunction impotence
2008/12/22
Penile erection depends on the balanced action between antagonist vasoactive molecules such as nitric oxide (NO) and angiotensin. Endothelial nitric oxide synthase (eNOS) and angiotensin-convertin...
Environmental Agents and Erectile Dysfunction: A Study in a Consulting Population
Argentina environment pesticides solvents
2008/12/5
We evaluated chemical and physical environmental agents as risk factors for erectile dysfunction among a consulting population. We studied 199 men who sought medical help for erectile disorders betw...