Temporal Trends in Fertility Rates: A Nationwide Registry Based Study from 1901 to 2014 Blomberg Jensen, Martin ; Priskorn, Lærke ; Jensen, Tina Kold ; Juul, Anders ; Skakkebaek, Niels Erik Abstract Publication: PLoS ONE Pub Date: December 2015 DOI: 10.1371/journal.pone.0143722 Bibcode: 2015PLoSO..1043722B