Contrast sensitivity was measured with the Visual Contrast Test System (VCTS; Vistech Consultants, Dayton, USA) panel in a room with 80–100 lux illuminance. Before, the pupil size was determined with a pupil s
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extraembryonic mesenchymal cells penetrate the villous core and form secondary villi. Simultaneously, the primary villi branch and quickly expand quickly by further proliferation and cell fusion of developing villous cytotrophoblasts (VCTs) [48]. Seventeen days after fertilization, the secondary villi deve...