Experience of childbirth in first-time mothers of advanced age – a Norwegian population-based study

A Population-Based Study

Dimitri Christakis, Jeffrey A. Richards, Frederick J. Zimmerman et al. · 2009 · 2.3K citations

Population Science, Language Development, Education +21

Maternal age and fetal loss: population based register linkage study

Anne‐Marie Nybo Andersen · BMJ · 2000 · 1.7K citations · Full text

Cohort profile: The Norwegian Mother and Child Cohort Study (MoBa)

Per Magnus, Lorentz M. Irgens, Kjell Haug et al. · International Journal of Epidemiology · 2006 · 1K citations · Full text

Family Medicine, Reproductive Health, Child Cohort Study +24

Self‐selection and bias in a large prospective pregnancy cohort in Norway

Roy M. Nilsen, Håkon K. Gjessing, Rolv Skjærven et al. · Paediatric and Perinatal Epidemiology · 2009 · 831 citations

Family Medicine, Fertility, Reproductive Health +16

The Medical Birth Registry of Norway. Epidemiological research and surveillance throughout 30 years

Lorentz M. Irgens · Acta Obstetricia Et Gynecologica Scandinavica · 2000 · 826 citations · Full text

Epidemiology, Epidemiological Research, Clinical Epidemiology +10