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Predicting Embryo Presence and Viability.
Pohler, K G; Green, J A; Geary, T W; Peres, R F G; Pereira, M H C; Vasconcelos, J L M; Smith, M F.
Afiliación
  • Pohler KG; Department of Animal Science, University of Tennessee, Knoxville, TN, USA. kpohler@utk.edu.
  • Green JA; Division of Animal Sciences, University of Missouri, Columbia, MO, USA.
  • Geary TW; USDA-ARS, Fort Keogh Livestock and Range Research Laboratory, Miles City, MT, USA.
  • Peres RF; Departamento de Produção Animal, Faculdade de MedicinaVeterinária e Zootecnia-UNESP, Botucatu, São Paulo, Brazil.
  • Pereira MH; Departamento de Produção Animal, Faculdade de MedicinaVeterinária e Zootecnia-UNESP, Botucatu, São Paulo, Brazil.
  • Vasconcelos JL; Departamento de Produção Animal, Faculdade de MedicinaVeterinária e Zootecnia-UNESP, Botucatu, São Paulo, Brazil.
  • Smith MF; Division of Animal Sciences, University of Missouri, Columbia, MO, USA.
Adv Anat Embryol Cell Biol ; 216: 253-70, 2015.
Article en En | MEDLINE | ID: mdl-26450503
Pregnancy establishment, followed by birth of live offspring, is essential to all mammals. The biological processes leading up to pregnancy establishment, maintenance, and birth are complex and dependent on the coordinated timing of a series of events at the molecular, cellular, and physiological level. The ability to ovulate a competent oocyte, which is capable of undergoing fertilization, is only the initial step in achieving a successful pregnancy. Once fertilization has occurred and early embryonic development is initiated, early pregnancy detection is critical to provide proper prenatal care (humans) or appropriate management (domestic livestock). However, the simple presence of an embryo, early in gestation, does not guarantee the birth of a live offspring. Pregnancy loss (embryonic mortality, spontaneous abortions, etc.) has been well documented in all mammals, especially in humans and domestic livestock species, and is a major cause of reproductive loss. It has been estimated that only about 25-30% of all fertilized oocytes in humans result in birth of a live offspring; however, identifying the embryos that will not survive to parturition has not been an easy task. Therefore, investigators have focused the identification of products in maternal circulation that permit the detection of an embryo and assessment of its well-being. This review will focus on the advances in predicting embryonic presence and viability, in vivo.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Resultado del Embarazo / Embrión de Mamíferos Tipo de estudio: Diagnostic_studies / Prognostic_studies / Risk_factors_studies Límite: Animals / Female / Humans / Pregnancy Idioma: En Revista: Adv Anat Embryol Cell Biol Año: 2015 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Alemania
Texto completo
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XML
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Resultado del Embarazo / Embrión de Mamíferos Tipo de estudio: Diagnostic_studies / Prognostic_studies / Risk_factors_studies Límite: Animals / Female / Humans / Pregnancy Idioma: En Revista: Adv Anat Embryol Cell Biol Año: 2015 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Alemania