Results 11 to 20 of about 23,902 (211)

Infertilidad masculina

Revista Colombiana de Obstetricia y Ginecología, 1956
Se puede aceptar sin ninguna duda, que la infertilidad masculina constituye un problema en la reproducción humana. Podemos agregar además, de acuerdo a mi opinión, que el problema es universal y no puede reducirse a los países en los que se realizan ...
John Macleod
doaj   +3 more sources

Infertilidad masculina

Revista Médica Clínica Las Condes, 2010
Se estima que aproximadamente un 15% de las parejas son incapaces de concebir luego de un año de relaciones sexuales no protegidas; 30% son debidas a factor femenino y 30% a factor masculino. El 40% restante es de causa mixta.
A. Christian Huidobro, Dr.
doaj   +2 more sources

Treatment with Calcium Ionophore Improves The Results in Patients with Previous Unsuccessful Attempts at The Fertilization: A Cohort Study [PDF]

International Journal of Fertility and Sterility, 2021
Background: The objective of this study is to evaluate artificial oocyte activation (AOA) with calcium ionophore(CaI) in a subsequent attempt at fertilisation in patients after extremely low or failed fertilisation.
Alberto Tejera, Lucia Alegre Ferri, Pilar Gamiz Izquierdo, Diana Beltrán Torregrosa, Jose Alejandro Remohí, Marcos Meseguer Escrivá   +5 more
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Factores causales de infertilidad

Revista Información Científica, 2019
Introducción: la infertilidad adquiere cada día mayor auge en las sociedades. Objetivo: facilitar la labor del médico de la familia en la captación y seguimiento de los casos de infertilidad.
Angel Florencio Ramirez Moran, Ángela Cala Bayeux, Denia Fajardo Iglesia, Randhol Scott Grave de Peralta   +3 more
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Utilidad del Cobas® Taqman® Ct Test, v2.0 para la detección de cepas de Chlamydia Trachomatis circulantes en México

Revista Peruana de Investigación en Salud, 2022
Objetivo: Evaluar la utilidad de la prueba de qPCR de COBAS® TaqMan® Chlamydia trachomatis (CT) para la detección de cepas circulantes en México. Materiales y Métodos: Estudio descriptivo y transversal.
Marcela López-Hurtado, Verónica R. Flores-Salazar, Rodrigo Gutierréz-Trujillo, Marcos R. Escobedo-Guerra, Fernando M. Guerra-Infante   +4 more
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A Natural Xenogeneic Endometrial Extracellular Matrix Hydrogel Toward Improving Current Human in vitro Models and Future in vivo Applications

Frontiers in Bioengineering and Biotechnology, 2021
Decellularization techniques support the creation of biocompatible extracellular matrix hydrogels, providing tissue-specific environments for both in vitro cell culture and in vivo tissue regeneration.
Sara López-Martínez, Hannes Campo, Lucía de Miguel-Gómez, Lucía de Miguel-Gómez, Amparo Faus, Alfredo T. Navarro, Ana Díaz, Antonio Pellicer, Antonio Pellicer, Hortensia Ferrero, Hortensia Ferrero, Irene Cervelló   +11 more
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Paternal advanced age and sperm quality are indicators for Preimplantation Genetic Testing in egg donation cycles

Clinical and Experimental Obstetrics & Gynecology, 2021
Background: A wide variety of studies demonstrate the influence of the oocyte source’s age on the success of assisted reproduction treatments; however, the effect of paternal age has been studied to a lesser extent.
Jeimy Pedraza, Hugo Sierra, Jacqueline Cordero, Esther López-Bayghen   +3 more
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Embryos derived from donor or patient oocytes are not different for in vitro fertilization outcomes when PGT allows euploid embryo selection: a retrospective study

Clinical and Translational Medicine, 2020
Background At our facilities, patients that received embryos using donor oocyte during in vitro fertilization (IVF), usually have had at least one failed attempt to produce at least one euploid embryo with their own oocytes; however, the current debate ...
Elizabeth Schaeffer, Leonardo M. Porchia, Adina Neumann, Almena Luna, Tania Rojas, Esther López-Bayghen   +5 more
doaj   +1 more source

Initial ovarian sensitivity index predicts embryo quality and pregnancy potential in the first days of controlled ovarian stimulation

Journal of Ovarian Research, 2020
Background To determine if a modified ovarian sensitivity index (MOSI), based on initial follicular measurements and the initial follicle-stimulating hormone (FSH) dose, can predict the production of high-quality embryos for successful implantation ...
David Camargo-Mattos, Uziel García, Felipe Camargo-Diaz, Ginna Ortiz, Ivan Madrazo, Esther Lopez-Bayghen   +5 more
doaj   +1 more source

Freeze-all, for whom, when, and how

Upsala Journal of Medical Sciences, 2020
Background: The ‘freeze-all’ practice refers to the cryopreservation of all mature oocytes or viable embryos after ovarian stimulation. The development of the vitrification technique has been crucial to make this approach a reality, since it increases ...
Paula Celada, Ernesto Bosch
doaj   +1 more source