Keyphrases
Major Birth Defects
100%
Oral Contraceptives
100%
Birth Defects
100%
National Cohort Study
100%
Denmark
100%
Before Pregnancy
57%
Odds Ratio
28%
Competing Interests
28%
Oral Contraceptive Use
28%
Prospective Observational Study
14%
Limb Defects
14%
Disaggregation
14%
Data Sharing
14%
Folate
14%
Schools of Public Health
14%
Harvard
14%
Perinatal Epidemiology
14%
Pediatric Epidemiology
14%
National Cancer Institute
14%
Prevalence Estimation
14%
Kennedy
14%
Danish Registry
14%
Maternal Health
14%
During Pregnancy
14%
Residual Confounding
14%
1-year Follow-up
14%
Human Development
14%
Logistic Regression
14%
Children's Health
14%
Confidence Interval
14%
Health Development
14%
Live Birth
14%
Exposure Groups
14%
Epidemiology
14%
Pharmacology, Toxicology and Pharmaceutical Science
Oral Contraceptive
100%
Congenital Malformation
100%
Cohort Study
100%
Prevalence
41%
Folic Acid
8%
Malignant Neoplasm
8%
Limb Defect
8%