Flurazepam

Study	Type of data	Exposure measurement	Outcome assessment	Adjustment
Noh, 2022	population based cohort retrospective	The Health Insurance Review and Assessment Service (HIRA) database that comprises notably healthcare utilization (e.g., drug prescription and medical procedure).	Major congenital malformations were identified by diagnostic records, according to the ICD-10 codes defined by the European Surveillance of Congenital Anomalies classification.	Exclusion of exposures to known teratogens during 1st trimester. Adjusted for maternal age, type of insurance, maternal psychiatric conditions (e.g., bipolar disorder, depression/mood disorder, anxiety, and sleep disorder), maternal conditions (e.g., epilepsy, headache, diabetes, hypertension), parity, plurality, concomitant medications (e.g., antidepressants, ...), and healthcare utilization.
Sheehy, 2019	nested case control	The Quebec Public Prescription Drug Insurance Plan database (drug name, start date, dose, and duration).	The data sources included the medical service database the Régie de l’assurance maladie du Québec (diagnoses, medical procedures, ...) and the MedEcho database (in-hospital diagnoses and procedures, including gestational age for planned abortions, spontaneous abortions, and deliveries).	Adjusted for (1) maternal sociodemographic variables (2) maternal chronic conditions (hypertension, diabetes, depression/anxiety, alcohol ...), (3) health care resources utilization, (4) pregnancy-associated variables, (5) concomitant exposure to antidepressants and/or antipsychotics. Matched by gestational age and calendar year. Exclusion of women with epilepsy and exposed to known teratogens.

master protocol