“…Among several ultrasonographic parameters, the inner chorionic cavity diameter (ICC) and the biparietal diameter (BP) have provided a highly accurate prediction in different weight and breeds of dogs (Alonge, Beccaglia, Melandri, & Luvoni, ; Beccaglia & Luvoni, ; England, Allen, & Porter, ; Kutzler, Yeager, Mohammed, & Meyers‐Wallen, ; Luvoni & Grioni, ; Socha & Janowski, ; Yeager, Mohammed, Meyers‐Wallen, Vannerson, & Concannon, ). ICC measurements can be taken from implantation to approximately 27–25 days before parturition, whereas in the second half of gestation (<25 days before the delivery) BP is another frequently applied indicator (Beccaglia & Luvoni, ; Luvoni & Grioni, ).…”