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. 2023 Dec 27;81(4):366–373. doi: 10.1001/jamapsychiatry.2023.4912

Figure 1. Illustration of the Case-Time-Control (CTC) Design for Studying the Association Between Benzodiazepine Use During Pregnancy and Risk of Miscarriage.

Figure 1.

LMP indicates last menstrual period, with number of days before LMP shown; OR indicates odds ratio.