progestogens (assessed by measuring progesterone metabolites) for 60–120 days ( Hodges et al. 1984 , Steinman et al. 2006 , Zhang et al. 2009 , Kersey et al. 2010 b ), during which an embryonic diapause occurs if fertilization has been successful
Kirsten S Wilson, Desheng Li, Iain Valentine, Alan McNeilly, Simon Girling, Rengui Li, Yingmin Zhou, Lynn Vanhaecke, W Colin Duncan, and Jella Wauters
Jenna Lowe and Erin Curry
. 2016 ) due to the variable period of embryonic diapause, during which the embryo undergoes a developmental arrest lasting ~40 to 85 d ( Roberts & Kessler 1979 , MacDonald et al. 2005 ). Termination of diapause and resumption of embryo growth are
Edwina F Lawson, Christopher G Grupen, Mark A Baker, R John Aitken, Aleona Swegen, Charley-Lea Pollard, and Zamira Gibb
suggested that oocyte lipid differences occur due to the variance in diapause length in species that exhibit this phenomenon ( Arena et al. 2021 ). For example, the roe deer ( Capreolus capreolus ), which exhibits embryonic diapause lasting up to 5 months
Thomas M Rawlings, Komal Makwana, Maria Tryfonos, and Emma S Lucas
://doi.org/10.1016/j.stemcr.2018.02.005 ) 29539434 Lopes FL Desmarais JA Murphy BD 2004 Embryonic diapause and its regulation . Reproduction 128 669 – 678 . ( https://doi.org/10.1530/rep.1.00444 ) 15579584 Lucas ES Salker MS Brosens JJ
Jason R Herrick, Sandeep Rajput, Rolando Pasquariello, Alison Ermisch, Nicolas Santiquet, William B Schoolcraft, and Rebecca L Krisher
Based on the results of experiments 1 and 2, embryonic development began to be negatively affected (reduced trophectoderm cell numbers) when nutrient concentrations were reduced to 25% of our control medium. To further evaluate the viability of embryos