ISSN 1662-4009 (online)

ey0016.3-5 | Thyroid and Pregnancy | ESPEYB16

3.5. Levothyroxine in women with thyroid peroxidase antibodies before conception

RK Dhillon-Smith , LJ Middleton , KK Sunner , V Cheed , K Baker , S Farrell-Carver , R Bender-Atik , R Agrawal , K Bhatia , E Edi-Osagie , T Ghobara , P Gupta , D Jurkovic , Y Khalaf , M MacLean , C McCabe , K Mulbagal , N Nunes , C Overton , S Quenby , R Rai , N Raine-Fenning , L Robinson , J Ross , A Sizer , R Small , A Tan , M Underwood , MD Kilby , K Boelaert , J Daniels , S Thangaratinam , SY Chan , A Coomarasamy

To read the full abstract: N Engl J Med. 2019;380:1316–1325.This large multicenter randomized double-blind placebo-controlled trial, in euthyroid women with thyroid peroxidase antibodies and a history of miscarriage or infertility, found no effect of levothyroxine substitution from before conception to the end of pregnancy on likelihood of live birth.In 2011, ...