Results 11 to 20 of about 46,703 (158)
La regla de los 14 días a debate: un análisis crítico desde la bioética
Revista de Bioética y Derecho, 2022 El objetivo que perseguimos con el presente artículo es analizar críticamente los argumentos utilizados en defensa de la regla de los 14 días, referida ésta a la investigación y experimentación con embriones humanos. Dicha regla fue propuesta por primera
Antonio Redondo García
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Ultrasound in Obstetrics &Gynecology, Volume 61, Issue 1, Page 12-25, January 2023., 2023 ABSTRACT Objectives To compare the reported rate of any congenital anomaly and perinatal outcome of pregnancy following blastocyst‐ vs cleavage‐stage embryo transfer using a pairwise meta‐analysis and to evaluate the same outcomes following fresh‐blastocyst, frozen‐blastocyst, fresh‐cleavage or frozen‐cleavage embryo transfer using a network meta ...
C. Siristatidis +6 more
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Ultrasound in Obstetrics &Gynecology, Volume 60, Issue 5, Page 646-656, November 2022., 2022 ABSTRACT Objective We aimed to explore fetal cortical brain development by neurosonography in fetuses conceived by assisted reproductive technology (ART), including frozen and fresh embryo transfer (ET), compared with those conceived spontaneously (SC), and to investigate its association with infant neurobehavior at 12 months of age. Methods This was a
M. L. Boutet +10 more
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Ecology and Evolution, Volume 12, Issue 2, February 2022., 2022 Frogs have evolved terrestrial eggs many times, offering an excellent opportunity to assess traits that may facilitate aquatic‐to‐terrestrial transitions. Our results suggest the importance of physiological adaptations and physiological plasticity during early life stages, specifically the early onset of urea excretion, its upregulation under dry ...
Javier Méndez‐Narváez +1 more
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Fetal movements: the origin of human behaviour
Developmental Medicine &Child Neurology, Volume 63, Issue 10, Page 1142-1148, October 2021., 2021 The study of the onset and ontogeny of human behaviour has made it clear that a multitude of fetal movement patterns are spontaneously generated, and that there is a close association between activity and the development of peripheral and central structures.
Christa Einspieler +2 more
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Efecto de la salinidad en la embriogénesis del erizo de mar Arbacia stellata (Blainville, 1825)
La Técnica: Revista de las Agrociencias, 2021 El erizo de mar Arbacia stellata puede habitar en ecosistemas estuarinos, pero se desconoce la salinidad crítica en las etapas iniciales de vida para su cultivo.
Edgar Alexander Zapata Vìvenes +3 more
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La persona en edad embrionaria
ARS Medica, 2008 El embrión puede ser mirado como pura "cantidad" de células o como paciente, individuo, ser humano, persona. Esta distinta perspectiva cambia totalmente la manera de tratar al embrión (o al feto), su valor, su dignidad. Se trata de temas que dan origen a
Ángel Rodríguez Guerro
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The legal status of the human embryo within the Spanish Constitutional Court
Estudios de Deusto, 2014 The present work deals with the relevant jurisprudence of the Constitutional Court regarding the legal status of the embryo, the different levels of protection of the embryo.
Carlos Vidal Prado
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Modelos embrionarios con células madre: una reflexión ético-jurídica pendiente
Medicina y ÉticaEn los últimos años el desarrollo de modelos in vitro con células madre humanas que simulan el desarrollo embrionario temprano ha vivido un gran progreso.
Marta Reguera Cabezas
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