Published in Am J Epidemiol on February 01, 2003
Prevalence of infertility in the United States as estimated by the current duration approach and a traditional constructed approach. Fertil Steril (2013) 2.85
Risk of pre-eclampsia in first and subsequent pregnancies: prospective cohort study. BMJ (2009) 2.14
Induced Abortions and the Risk of Preeclampsia Among Nulliparous Women. Am J Epidemiol (2015) 1.76
Increased prevalence of imprinting defects in patients with Angelman syndrome born to subfertile couples. J Med Genet (2005) 1.49
Identifying women with indicators of subfertility in a statewide population database: operationalizing the missing link in assisted reproductive technology research. Fertil Steril (2013) 1.36
Association of periconceptional multivitamin use with reduced risk of preeclampsia among normal-weight women in the Danish National Birth Cohort. Am J Epidemiol (2009) 1.12
Parity and cardiovascular disease risk among older women: how do pregnancy complications mediate the association? Ann Epidemiol (2008) 1.10
Chronic hypertension related to risk for preterm and term small for gestational age births. Obstet Gynecol (2008) 1.10
Infertility, infertility treatment and psychomotor development: the Danish National Birth Cohort. Paediatr Perinat Epidemiol (2009) 1.04
Gestational hypertension in pregnancies supported by infertility treatments: role of infertility, treatments, and multiple gestations. Fertil Steril (2007) 0.96
Male Reproductive Disorders and Fertility Trends: Influences of Environment and Genetic Susceptibility. Physiol Rev (2016) 0.96
Smaller fetal size in singletons after infertility therapies: the influence of technology and the underlying infertility. Fertil Steril (2011) 0.94
Previous abortions and risk of pre-eclampsia. Int J Epidemiol (2008) 0.90
Effects of interpregnancy interval on blood pressure in consecutive pregnancies. Am J Epidemiol (2008) 0.82
Prospective study of time to pregnancy and adverse birth outcomes. Fertil Steril (2015) 0.80
Cigarette smoking during pregnancy and preeclampsia risk: a systematic review and meta-analysis of prospective studies. Oncotarget (2015) 0.80
Is in vitro fertilization associated with preeclampsia? A propensity score matched study. BMC Pregnancy Childbirth (2014) 0.79
The placenta: phenotypic and epigenetic modifications induced by Assisted Reproductive Technologies throughout pregnancy. Clin Epigenetics (2015) 0.77
Interbirth interval and history of previous preeclampsia: a case-control study among multiparous women. BMC Pregnancy Childbirth (2013) 0.77
A prospective cohort study of a woman's own gestational age and her fecundability. Hum Reprod (2015) 0.76
Estimating infertility prevalence in low-to-middle-income countries: an application of a current duration approach to Demographic and Health Survey data. Hum Reprod (2017) 0.75
Defective decidualization during and after severe preeclampsia reveals a possible maternal contribution to the etiology. Proc Natl Acad Sci U S A (2017) 0.75
A population-based study of measles, mumps, and rubella vaccination and autism. N Engl J Med (2002) 7.14
Selective serotonin reuptake inhibitors in pregnancy and congenital malformations: population based cohort study. BMJ (2009) 6.83
Disruption of an AP-2alpha binding site in an IRF6 enhancer is associated with cleft lip. Nat Genet (2008) 4.04
A genome-wide association study of cleft lip with and without cleft palate identifies risk variants near MAFB and ABCA4. Nat Genet (2010) 3.63
Prenatal and postnatal exposure to cell phone use and behavioral problems in children. Epidemiology (2008) 3.61
Epidemiology, data sharing, and the challenge of scientific replication. Epidemiology (2009) 3.49
Maternal lifestyle factors in pregnancy risk of attention deficit hyperactivity disorder and associated behaviors: review of the current evidence. Am J Psychiatry (2003) 3.44
Trends in sperm counts: the saga continues. Epidemiology (2011) 3.23
Perfluorinated chemicals and fetal growth: a study within the Danish National Birth Cohort. Environ Health Perspect (2007) 3.03
Mortality in parents after death of a child in Denmark: a nationwide follow-up study. Lancet (2003) 2.94
Birth weight and mortality: causality or confounding? Am J Epidemiol (2006) 2.93
Neonatal jaundice, autism, and other disorders of psychological development. Pediatrics (2010) 2.90
Reproducibility of urinary phthalate metabolites in first morning urine samples. Environ Health Perspect (2002) 2.81
The interval between pregnancies and the risk of preeclampsia. N Engl J Med (2002) 2.67
Long-term risk of epilepsy after traumatic brain injury in children and young adults: a population-based cohort study. Lancet (2009) 2.46
Death in children with febrile seizures: a population-based cohort study. Lancet (2008) 2.38
On the pitfalls of adjusting for gestational age at birth. Am J Epidemiol (2011) 2.29
Inhaled glucocorticoids during pregnancy and offspring pediatric diseases: a national cohort study. Am J Respir Crit Care Med (2011) 2.27
Health research policy in the European Union. BMJ (2005) 2.27
Gene selection and clustering for time-course and dose-response microarray experiments using order-restricted inference. Bioinformatics (2003) 2.21
Prevalence of uterine leiomyomas in the first trimester of pregnancy: an ultrasound-screening study. Obstet Gynecol (2009) 2.11
Changes with age in the level and duration of fertility in the menstrual cycle. Hum Reprod (2002) 2.11
Increased infertility with age in men and women. Obstet Gynecol (2004) 2.07
Moderate alcohol intake during pregnancy and risk of fetal death. Int J Epidemiol (2012) 2.02
Maternal bereavement during pregnancy and the risk of stillbirth: a nationwide cohort study in Sweden. Am J Epidemiol (2013) 1.99
Perfluorinated compounds and subfecundity in pregnant women. Epidemiology (2012) 1.98
We are number one but nobody cares-that's good. Epidemiology (2012) 1.97
Familial risk of oral clefts by morphological type and severity: population based cohort study of first degree relatives. BMJ (2008) 1.96
Distribution of allele frequencies and effect sizes and their interrelationships for common genetic susceptibility variants. Proc Natl Acad Sci U S A (2011) 1.93
Birth defects after early pregnancy use of antithyroid drugs: a Danish nationwide study. J Clin Endocrinol Metab (2013) 1.92
Infertility and preterm delivery, birthweight, and Caesarean section: a study within the Danish National Birth Cohort. Hum Reprod (2003) 1.91
MMR vaccination and febrile seizures: evaluation of susceptible subgroups and long-term prognosis. JAMA (2004) 1.90
Socioeconomic gradient in use of statins among Danish patients: population-based cross-sectional study. Br J Clin Pharmacol (2005) 1.89
Association of intrauterine and early-life exposures with diagnosis of uterine leiomyomata by 35 years of age in the Sister Study. Environ Health Perspect (2010) 1.87
Risk of fetal death after pandemic influenza virus infection or vaccination. N Engl J Med (2013) 1.86
Cerebral palsy among term and postterm births. JAMA (2010) 1.86
Predictive value and completeness of the registration of congenital abnormalities in three Danish population-based registries. Scand J Public Health (2003) 1.82
Cancer risk in persons with oral cleft--a population-based study of 8,093 cases. Am J Epidemiol (2005) 1.82
Hospitalization for mental illness among parents after the death of a child. N Engl J Med (2005) 1.77
Cryptorchidism according to maternal gestational smoking. Epidemiology (2007) 1.77
Has human fertility declined over time?: why we may never know. Epidemiology (2005) 1.75
Recurrence of pre-eclampsia across generations: exploring fetal and maternal genetic components in a population based cohort. BMJ (2005) 1.70
Estimating bias from loss to follow-up in the Danish National Birth Cohort. Epidemiology (2011) 1.68
Pesticide exposure and self-reported gestational diabetes mellitus in the Agricultural Health Study. Diabetes Care (2007) 1.66
Stress during pregnancy and offspring pediatric disease: A National Cohort Study. Environ Health Perspect (2011) 1.65
Infertility, infertility treatment, and congenital malformations: Danish national birth cohort. BMJ (2006) 1.63
On sperm counts and data responsibility. Epidemiology (2011) 1.63
The Danish National Hospital Register is a valuable study base for epidemiologic research in febrile seizures. J Clin Epidemiol (2005) 1.63
Genetic variants in IRF6 and the risk of facial clefts: single-marker and haplotype-based analyses in a population-based case-control study of facial clefts in Norway. Genet Epidemiol (2008) 1.63
Family-based gene-by-environment interaction studies: revelations and remedies. Epidemiology (2011) 1.60
Physical exercise during pregnancy and the risk of preterm birth: a study within the Danish National Birth Cohort. Am J Epidemiol (2008) 1.60
The Strengths and Difficulties Questionnaire in the Nordic countries. Eur Child Adolesc Psychiatry (2004) 1.60
Orofacial cleft risk is increased with maternal smoking and specific detoxification-gene variants. Am J Hum Genet (2006) 1.59
Identification of risk-related haplotypes with the use of multiple SNPs from nuclear families. Am J Hum Genet (2007) 1.59
Risk of cerebral palsy in relation to pregnancy disorders and preterm birth: a national cohort study. Dev Med Child Neurol (2014) 1.58
IGF-I and IGFBP-3 polymorphisms in relation to circulating levels among African American and Caucasian women. Cancer Epidemiol Biomarkers Prev (2009) 1.58
Maternal levels of perfluorinated chemicals and subfecundity. Hum Reprod (2009) 1.56
Antimüllerian hormone as a predictor of natural fecundability in women aged 30-42 years. Obstet Gynecol (2011) 1.56
FOXE1 association with both isolated cleft lip with or without cleft palate, and isolated cleft palate. Hum Mol Genet (2009) 1.55
Cleft lip and palate versus cleft lip only: are they distinct defects? Am J Epidemiol (2005) 1.53
Alcohol consumption during pregnancy and the risk of preterm delivery. Am J Epidemiol (2004) 1.53
Obstetrical interventions for term first deliveries in the US. Paediatr Perinat Epidemiol (2013) 1.50
Ambient air pollution and autism in Los Angeles county, California. Environ Health Perspect (2012) 1.49
Method for using complete and incomplete trios to identify genes related to a quantitative trait. Genet Epidemiol (2004) 1.48
Are serum levels of vitamin D associated with semen quality? Results from a cross-sectional study in young healthy men. Fertil Steril (2010) 1.48
"Toward a clearer definition of confounding" revisited with directed acyclic graphs. Am J Epidemiol (2012) 1.48
Next generation analytic tools for large scale genetic epidemiology studies of complex diseases. Genet Epidemiol (2011) 1.47
Fever in pregnancy and risk of fetal death: a cohort study. Lancet (2002) 1.47
Evidence for gene-environment interaction in a genome wide study of nonsyndromic cleft palate. Genet Epidemiol (2011) 1.47
Medical abortion and the risk of subsequent adverse pregnancy outcomes. N Engl J Med (2007) 1.45
Pregnancy-related pelvic pain is more frequent in women with increased body mass index. Acta Obstet Gynecol Scand (2011) 1.45
Men's body mass index and infertility. Hum Reprod (2007) 1.45
Congenital malformations related to maternal exposure to specific agents in biomedical research laboratories. J Occup Environ Med (2005) 1.44
Periconceptional smoking and the male to female ratio in the offspring--re-assessment of a recently proposed hypothesis. Int J Epidemiol (2003) 1.43
Obstetric outcome in Danish children with a validated diagnosis of kernicterus. Acta Obstet Gynecol Scand (2009) 1.42
Trends in fetal and infant survival following preeclampsia. JAMA (2006) 1.41
Maternal serum level of 1,1-dichloro-2,2-bis(p-chlorophenyl)ethylene and risk of cryptorchidism, hypospadias, and polythelia among male offspring. Am J Epidemiol (2002) 1.40
Cancer incidence in parents who lost a child: a nationwide study in Denmark. Cancer (2002) 1.40
Within-person variability in urinary bisphenol A concentrations: measurements from specimens after long-term frozen storage. Environ Res (2009) 1.40
Parental infertility and semen quality in male offspring: a follow-up study. Am J Epidemiol (2007) 1.39
[Should the sensible drinking limits for adults be changed?]. Ugeskr Laeger (2005) 1.39
Maternal folic acid supplement intake and semen quality in Danish sons: a follow-up study. Fertil Steril (2011) 1.39
Does smoking during pregnancy affect sons' sperm counts? Epidemiology (2003) 1.39
Myocardial infarction in parents who lost a child: a nationwide prospective cohort study in Denmark. Circulation (2002) 1.38
Prenatal factors and use of anti-asthma medications in early childhood: a population-based Danish birth cohort study. Eur J Epidemiol (2003) 1.37
Accuracy of reporting of menstrual cycle length. Am J Epidemiol (2007) 1.35
A random-periods model for expression of cell-cycle genes. Proc Natl Acad Sci U S A (2004) 1.35
Epigenome-wide association study of breast cancer using prospectively collected sister study samples. J Natl Cancer Inst (2013) 1.35
Identification of DNA methylation changes in newborns related to maternal smoking during pregnancy. Environ Health Perspect (2014) 1.35
Validation of epilepsy diagnoses in the Danish National Hospital Register. Epilepsy Res (2007) 1.35
Fetal growth indicators and perfluorinated chemicals: a study in the Danish National Birth Cohort. Am J Epidemiol (2008) 1.33
Exploring the effects of methylenetetrahydrofolate reductase gene variants C677T and A1298C on the risk of orofacial clefts in 261 Norwegian case-parent triads. Am J Epidemiol (2003) 1.31
Commentary: Epidemiologists have debated representativeness for more than 40 years--has the time come to move on? Int J Epidemiol (2013) 1.31