Results 131 to 140 of about 4,087 (216)

Surrogate pregnancies in patients with Mayer-Rokitansky-Kustner-Hauser syndrome and severe teratozoospermia [PDF]

open access: yes, 2000
The challenge of the case presented was threefold: congenital absent uterus (Mayer-Rokitansky-Kustner-Hauser syndrome), a request for surrogacy, and teratozoospermia in the husband (6% normal morphology according to the Tygerberg strict criteria ...
Kruger T.F., Van Waart J.
core  

IMSI does not improve pregnancy outcomes and live birth rate in severe teratozoospermia patients: a double-blind randomized controlled trial.

open access: yesScientific Reports
This study was designed to evaluate the beneficial roles of the MSOME technique over × 400 magnification in terms of pregnancy outcomes, Live birth rate (LBR) and miscarriage rate in patients with severe teratozoospermia.
F. Shakeri   +4 more
semanticscholar   +1 more source

La edad sobre el factor masculino y su efecto en la fertilidad de pareja The effect of age on the male factor and its outcome regarding couples' fertility

open access: yesRevista Colombiana de Obstetricia y Ginecología, 2009
Objetivo: realizar un análisis de las anomalías en los parámetros seminales y su correlación con la edad por medio de espermogramas de pacientes que ingresaron a la Unidad de Medicina Reproductiva GESTAMOS, por infertilidad.
Diana Fontanilla   +5 more
doaj  

Polimorfismo Ser326Cis de la 8-oxoguanina ADN glucosilasa 1 (OGG 1) en hombres con teratozoospermia

open access: yesPerinatología y Reproducción Humana
Antecedentes: El incremento seminal de especies reactivas de oxígeno (ERO) se ha vinculado con la oxidación del ADN y anormalidades en la morfología espermática. La enzima 8-oxoguanina ADN glucosilasa 1 (OGG1) repara la oxidación del ADN. Sin embargo, la
Daniel A. Torres-Ramírez   +2 more
doaj   +1 more source

The role of oocyte maturity in the treatment of infertility because of teratozoospermia and normozoospermia with gamete intrafallopian transfer [PDF]

open access: yes, 1992
Objective: To determine the effect of oocyte maturity on pregnancy rate (PR) in patients undergoing gamete intrafallopian transfer (GIFT) procedures for infertility and in whom male partners had either normozoospermia or teratozoospermia.
Kruger T.F.   +3 more
core  

Editorial: Genetic factors in male infertility

open access: yesFrontiers in Genetics, 2023
Xiaojin He, Shenmin Yang, Mingrong Lv
doaj   +1 more source

Genetic defects associated with globozoospermia and macrozoospermia : two severe forms of monomorphic teratozoospermia [PDF]

open access: yes, 2018
L'infertilité humaine représente un problème de santé publique qui affecte 10-15% des couples avec des causes masculines retrouvées dans 50% des cas. En raison de la grande diversité des anomalies responsables d'infertilité masculine nous avons choisi de
Ben Messaoud, Fatma
core  

Effect of a single dose of malathion on spermatogenesis in mice [PDF]

open access: yes, 2003
Aim: To observe the acute effect of the organophosphorous insecticide malathion on testicular function in mice. Methods: The effects of a single dose of malathion [240 mg/kg (1/12 LD 50)] on plasma acetylcholinesterase (ACE) activity, spermatozoa ...
González Hormazábal, Patricio   +1 more
core  

The prediction of semen quality based on lifestyle behaviours by the machine learning based models

open access: yesReproductive Biology and Endocrinology
Purpose To find the machine learning (ML) method that has the highest accuracy in predicting the semen quality of men based on basic questionnaire data about lifestyle behavior.
Aykut Aykaç   +4 more
doaj   +1 more source

Sperm morphology: Evaluating its clinical relevance in contemporary fertility practice

open access: yesReproductive Medicine and Biology
Background The World Health Organization (WHO) recommends reporting sperm morphology in a standard semen analysis. However, the clinical utility and prognostic value of morphology is often debated. Methods We reviewed and summarized studies that assessed
Daniel L. Pelzman, Jay I. Sandlow
doaj   +1 more source

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