Documentation of statistics: Benefits during sickness or in connection with childbirth (Discontinued)
If the case is about childbirth benefits the final date is estimated as the starting date plus the average length measured in days of similar cases having a finale date.
https://www.dst.dk/en/Statistik/dokumentation/documentationofstatistics/benefits-during-sickness-or-in-connection-with-childbirth--discontinued-
Documentation of statistics