Table 3.

Details of Long-Term Infant Follow-up Among Three Twin Pregnancies Complicated by Antenatal Exposure to ZIKV

Twin Pair	Twin	Eye Exam	BERA	Most Recent Bayley-III Scale of Infant Development Scores
				Timing	Cognitive	Language	Motor
Twin pair 1	Twin A	Normal	Normal	25 months	90	89	91
	Twin B	Normal	Normal	25 months	90	91	91
Twin pair 2	Twin A	Normal	Bilateral hearing loss at 28 months	37 months	95	83a	91
	Twin B	Normal	Bilateral hearing loss at 28 months	37 months	90	77a	91
Twin pair 3	Twin A	Significant strabismus	Normal	39 months	100	94	85
	Twin B	Normal	Normal	39 months	100	94	88

Abbreviations: BERA, brainstem evoked response audiometry; ZIKV, Zika virus.

^aBelow average score, which indicates a value between 1 and 2 standard deviations below the norm.