Laboratory

Biosfer

At a Glance Projects Publications Team

© iStockphoto.com/Jacek_Sopotnicki

High-income countries are experiencing both unprecedentedly low and increasingly polarized fertility with growing social gradients in childbearing. Key theories on fertility patterns are based on the empirical observation that until recently fertility remained comparatively high in gender-egalitarian countries with strong support for families. Since 2010 many of the countries that provided evidence for such theories have reached record-low fertility. This confronts the scientific paradigm of the key drivers of fertility.   Detailed Description

Selected Publications

Lee, D. S.; Nitsche, N.; Barclay, K. J.:

Body mass index in early adulthood and transition to first birth: racial/ethnic and sex differences in the United States NLSY79 cohort

Population Studies 77:2, 241–261. (2023)    

Goisis, A.; Palma Carvajal, M.; Metsä-Simola, N.; Klemetti, R.; Martikainen, P.; Myrskylä, M.; Pelikh, A.; Tosi, M.; Remes, H. M.:

Medically assisted reproduction and mental health: a 24-year longitudinal analysis using Finnish register data

SSRN research paper series 4109037. unpublished. (2022)    

Gaml-Sørensen, A.; Hjorth Thomsen, A.; Søgaard Tøttenborg, S.; Brix, N.; Sørig Hougaard, K.; Toft, G.; Håberg, S. E.; Myrskylä, M.; Bonde, J. P.; Høst Ramlau-Hansen, C.:

Maternal pre-pregnancy BMI and reproductive health in adult sons: a study in the Danish National Birth Cohort

Human Reproduction 39:1, 219–231. (2024)