Results 21 to 30 of about 804 (132)
Deseados pero abandonados: el incierto destino de los embriones criopreservados
Revista de Bioética y Derecho, 2021 La reproducción asistida, de la mano de ciencias afines como la genómica y la criobiología, ha transformado de modo vertiginoso el abordaje de la fertilidad, no solamente por los avances científico-técnicos, sino por la coyuntura social contemporánea ...
Marta Reguera Cabezas +1 more
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Cadernos Ibero-Americanos de Direito Sanitário, 2013 El progreso experimentado en las ciencias de la vida y de la medicina impulsado por los modernos avances y descubrimientos científicos y tecnológicos ha propiciado el desarrollo de las técnicas de reproducción humana asistida como una solución al ...
Ángela Ruiz Sáenz
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Advancing conservation breeding programs for marine invertebrates
Conservation Biology, EarlyView.Abstract In the face of ecosystem change and biodiversity loss caused by climate change and other stressors, conservation breeding, or captive breeding, with the aim of reintroduction for wild population recovery, is an emerging tool for preventing species’ extinction and rehabilitating ecosystems.
Elora H. López‐Nandam +3 more
wiley +1 more source
AgricultureThis study evaluated functional and proteomic changes in ram sperm during 48 h of liquid storage at 5 °C, comparing samples collected at two breeding-season stages (July and November). Semen from six Assaf rams was diluted in INRA 96® and stored at 15 °C
Marta Neila-Montero +9 more
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Pest‐preservation paradox among insects
Conservation Biology, EarlyView.The pest‐preservation paradox is a non‐binary perspective that insects range from those that are harmful and requiring management on the one side, to those requiring conservation intervention on the opposite end of the spectrum. Importantly, the vast majority of insects occur somewhere in the center of the two extremes, and their position along the ...
Michael J. Samways +3 more
wiley +1 more source
Pertinencia del tamizaje genético en donantes de gametos
Revista Colombiana de Obstetricia y Ginecología, 2012 Introducción: una preocupación importante para las parejas sometidas a tratamientos de reproducción asistida con gametos donados es la posibilidad de adquirir enfermedades infecciosas o la transmisión de enfermedades genéticas a la descendencia.
Claudia J Serrano-Serrano
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Revista Peruana de Medicina Experimental y Salud Pública, 2020 In order to characterize the quality of semen from men in an assisted reproduction center in the city of Guayaquil (Ecuador), 204 semen samples were collected from patients with fertility disorders aged 20 to 57 years, who were admitted between May 2017 ...
Gabriel Morey-León +5 more
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Ultrasound in Obstetrics &Gynecology, Volume 68, Issue 1, Page 59-67, July 2026.ABSTRACT Objective Infertility affects up to 20% of couples in high‐income countries, which has led to an increased use of assisted reproductive technology (ART). While previous studies have linked ART to a higher risk of major congenital heart defects (CHD), less is known about the associated risk of minor CHD.
F. Kyhl‐Svart +16 more
wiley +1 more source
Scientific ReportsCryopreservation is a crucial tool for the ex situ conservation of endangered species, enabling the long-term storage of genetic resources. However, sperm from wild species often show variable cryoresistance, and the underlying molecular mechanisms ...
Marta Neila-Montero +9 more
doaj +1 more source
Perinatología y Reproducción HumanaEl grupo de expertos del presente consenso se formó en respuesta a la creciente necesidad de un enfoque integral para abordar el síndrome de ovario poliquístico (SOP) y su asociación con la resistencia a la insulina (RI).
Mónica Olavarría-Guadarrama +16 more
doaj +1 more source