Study Type of data Exposure measurement Outcome assessment Adjustment
Battino (Acetazolamide) (Epilepsy), 2024 prospective cohort Reporting physicians collected information on drug therapy after each trimester. Abnormalities in the offspring were recorded descriptively by reporting physicians. A committee blinded to type of exposure assessed and categorized these abnormalities. When necessary, the committee solicited additional information from the reporting physicians. Exclusion of pregnancies exposed to known teratogenic drugs, and those with comorbidities associated with teratogenic risks. No adjustment for this group of comparison.
Christensen (Acetazolamide) (All indications) (Controls exposed to LTG), 2024 population based cohort retrospective Prenatal exposure was identified via national prescription registers. These registers contain the Anatomical Therapeutic Chemical (ATC) classification code (www.whocc.no) and the date of dispensing. Information on birth weight, gestational age and head circumference at birth was obtained from the medical birth registers for all births occurring at 22 weeks’ gestation or later. Singleton only. No adjustment for this group of comparison.
Christensen (Acetazolamide) (All indications) (Controls unexposed, general population), 2024 population based cohort retrospective Prenatal exposure was identified via national prescription registers. These registers contain the Anatomical Therapeutic Chemical (ATC) classification code (www.whocc.no) and the date of dispensing. Information on birth weight, gestational age and head circumference at birth was obtained from the medical birth registers for all births occurring at 22 weeks’ gestation or later. Singleton only. Microcephaly: no adjustment. Models were adjusted for country, year of birth, sex of child, maternal age, parity, maternal marital/cohabitation status, pre-pregnancy hospital admittances, maternal education, smoking in early pregnancy, maternal psychiatric history (F00-F99), and use of psychotropic drugs in pregnancy (ATC N06A, N05A, N05B, excl. N05BA09) and maternal epilepsy.
Samrén (Acetazolamide), 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.
Vajda (Acetazolamide) (Controls exposed to Lamotrigine, sick), 2019 prospective cohort Details are obtained by four in-depth telephone interviews with the women. Details provided by the participants are confirmed, as far as possible, by the treating medical practitioners and through hospital records. Details are obtained by four in-depth telephone interviews with the women. Details provided by the participants are confirmed, as far as possible, by the treating medical practitioners and through hospital records. None.
Vajda (Acetazolamide) (Controls unexposed, sick), 2019 prospective cohort Details are obtained by four in-depth telephone interviews with the women. Details provided by the participants are confirmed, as far as possible, by the treating medical practitioners and through hospital records. Details are obtained by four in-depth telephone interviews with the women. Details provided by the participants are confirmed, as far as possible, by the treating medical practitioners and through hospital records. None.

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