Learn More
OBJECTIVE To estimate gestational age-specific risks of fetal death in pregnancies complicated by preeclampsia. METHODS Population-based cohort study comprising all singleton births (N=554,333) without preexisting chronic hypertension recorded in the Norwegian Medical Birth Registry from 1999 to 2008. Additional data come from a subset of preeclamptic(More)
OBJECTIVES To explore utilisation patterns of asthma medication before, during and after pregnancy as recorded in seven European population-based databases. DESIGN A descriptive drug utilisation study. SETTING 7 electronic healthcare databases in Denmark, Norway, the Netherlands, Italy (Emilia Romagna and Tuscany), Wales, and the Clinical Practice(More)
BACKGROUND While international variations in overall cesarean delivery rates are well documented, less information is available for clinical sub-groups. Cesarean data presented by subgroups can be used to evaluate uptake of cesarean reduction policies or to monitor delivery practices for high and low risk pregnancies based on new scientific evidence. We(More)
INTRODUCTION The objective of this study was to examine the association between planned mode of delivery and neonatal outcomes in breech deliveries. MATERIAL AND METHODS In this retrospective cohort study we studied singleton term breech deliveries in Norway from 1991 to 2011 (n = 30 861) using the Medical Birth Registry of Norway. We compared planned(More)
Pre-eclampsia is a leading complication of pregnancy, associated with maternal and neonatal morbidity. The present study describes the epidemiology of pre-eclampsia in Norway, with data from the Medical Birth Registry of Norway, covering 40 years. We aimed at describing time trends in prevalence, selected risk factors and perinatal mortality. We also(More)
Hypospadias is a common congenital malformation. The prevalence of hypospadias has a large geographical variation, and recent studies have reported both increasing and decreasing temporal trends. It is unclear whether hypospadias prevalence is associated with maternal age. To analyze the prevalence and trends of total hypospadias, isolated hypospadias,(More)
OBJECTIVE To assess the association of pre-eclampsia with later cardiovascular death in mothers according to their lifetime number of pregnancies, and particularly after only one child. DESIGN Prospective, population based cohort study. SETTING Medical Birth Registry of Norway. PARTICIPANTS We followed 836,147 Norwegian women with a first singleton(More)
OBJECTIVE Evaluating the validity of pre-eclampsia registration in the Medical Birth Registry of Norway (MBRN) according to both broader and restricted disease definitions. DESIGN Retrospective nested cohort study. SETTING Multicenter study. POPULATION In this study, two cohorts of women with pre-eclamptic pregnancies registered in the MBRN were(More)
BACKGROUND Whether gestational age per se increases perinatal mortality in post-term pregnancy is unclear. We aimed at assessing gestational week specific perinatal mortality in small-for-gestational-age (SGA) and non-SGA term and post-term gestations, and specifically to evaluate whether the relation between post-term gestation and perinatal mortality(More)
BACKGROUND Attention-deficit/hyperactivity disorder (ADHD) is a prevalent and disabling lifespan disorder, but little is yet known about risk factors for ADHD persisting beyond adolescence. The present study investigates the association between pregnancy and birth complications and ADHD in adulthood. METHODS We used data from the Medical Birth Registry of(More)