Table 1.

Birth defect rate and 95% CI from the Antiretroviral Pregnancy Registry concerning lamivudine, tenofovir, telbivudine, and entecavir

	First trimester	Second/third trimester
LMV	136/4.360 (3.1%); 95% CI: 2.6%–3.7%	203/7,072 (2.9%); 95% CI: 2.5%–3.3%
TDF	46/1,982 (2.3%); 95% CI: 1.7%–3.1%	20/959 (2.1%); 95% CI: 1.3%–3.2%
TLB	0/10	0/14
ETV	2/55	0/2

Abbreviations: CI, confidence itnerval; LMV, lamivudine; TDF, tenofovir disoproxilfumarate; TLB, telbivudine; ETV, entecavir.