Study Type of data Exposure measurement Outcome assessment Adjustment
Samrén (Methsuximide), 1999 retrospective cohort Data were collected from medical records and include medication. The prescribed dose of thedrugs was also retrieved from obstetric files. Data were collected from medical records and include information on pregnancy and child. Information on major congenital abnormalities was completed with information from the pediatrician whenever necessary. Matched for age (±2 years) and parity of the mother, and sex, birth year, and hospital of delivery of the child.

master protocol