COVID-19 antibody positivity over time and pregnancy outcomes in seven low-and-middle-income countries: A prospective, observational study of the Global Network for Women's and Children's Health Research. Goldenberg RL, Saleem S, Billah SM, Kim J, Moore JL, Ghanchi NK, Haque R, Figueroa L, Ayala A, Lokangaka A, Tshefu A, Goudar SS, Kavi A, Somannavar M, Esamai F, Mwenechanya M, Chomba E, Patel A, Das P, Emonyi WI, Edidi S, Deshmukh M, Hossain B, Siraj S, Mazariegos M, Garces AL, Bauserman M, Bose CL, Petri WA Jr, Krebs NF, Derman RJ, Carlo WA, Liechty EA, Hibberd PL, Koso-Thomas M, Peres-da-Silva N, Nolen TL and McClure EM. BJOG. 2023 Mar;130(4):366-376. DOI: 10.1111/1471-0528.17366.