Perinatal death in the Nordic countries in relation to gestational age: The impact of registration practice.

3.4 Inclusion of infants with unknown GA or GA < 22 + 0 Investigating the number of registered deliveries with GA < 22 + 0 weeks during the study period, most cases were reported in Denmark ( n = 344, 67.1% of all deliveries with GA < 22 + 0 weeks in all countries during the study period) with an increasing trend (Table 2 and Figure 3 ).

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Norway reported 140 cases during the study period with a decreasing trend (Figure 3 ).

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