Table 3. Association Between Oral and Topical Terbinafine Use in Pregnancy and Risk of the Secondary Outcome Spontaneous Abortions in Matched Cohorts on Propensity Scores.

Spontaneous Abortion	Total No. of Pregnancies	Spontaneous Abortion, No. (%)	Hazard Ratio (95% CI)
Oral terbinafine-exposed vs unexposed matched pregnancies
Oral terbinafine	891	93 (10.4)	1.06 (0.86-1.32)
Unexposed	8910	918 (10.3)	1 [Reference]
Topical terbinafine-exposed vs unexposed matched pregnancies
Topical terbinafine	3174	166 (5.2)	1.04 (0.88-1.21)
Unexposed	31 740	1607 (5.1)	1 [Reference]
Oral vs topical terbinafine-exposed matched pregnancies
Oral terbinafine	617	66 (10.7)	1.19 (0.84-1.70)
Topical terbinafine	617	59 (9.6)	1 [Reference]