| Study | Type of data | Exposure measurement | Outcome assessment | Adjustment |
|---|---|---|---|---|
| Karlsson (control exposed to IFN), 2014 | retrospective cohort | Patients received treatment provided by the investigator in clinical trial. | Not specified. | None |
| Karlsson (control unexposed, sick), 2014 | retrospective cohort | Patients received treatment provided by the investigator in clinical trial. | Not specified. | None |
| Nguyen (control exposed to IFN), 2019 | prospective cohort | Data in the MSBase registry, including prospective pregnancy data, is entered in real time or near real time, as part of routine clinical visits. Information collected included: disease-modifying therapies exposure before and during pregnancy. | Data in the MSBase registry, including prospective pregnancy data, is entered in real time or near real time, as part of routine clinical visits. Information collected included pregnancy outcomes. | None |
| Nguyen (control unexposed, sick), 2019 | prospective cohort | Data in the MSBase registry, including prospective pregnancy data, is entered in real time or near real time, as part of routine clinical visits. Information collected included: disease-modifying therapies exposure before and during pregnancy. | Data in the MSBase registry, including prospective pregnancy data, is entered in real time or near real time, as part of routine clinical visits. Information collected included pregnancy outcomes. | None |
| Pauliat, 2020 | prospective cohort | Maternal information on medication exposure (indication, timing in pregnancy, duration, dose and concomitant medication) were collected at initial contact. | Follow-up was achieved through a structured telephone interview or mailed questionnaire to the patient or her healthcare professional. Two independent specialists blinded to information on drug exposure, classified congenital anomalies as major or minor. | Control group was matched according to center, year of contact, and maternal age. Intrauterine deaths adjusted for center, maternal age, tobacco smoking, and folic acid consumption. |