Wharton's jelly-derived mesenchymal stem cells promote the survival and early development of pre-antral follicles. - Ñaupas LVS; Alves JPM; Gomes FDR; Palomino GJQ; Brito DCC; Ferreira ACA; Alves BG; Rondina D; Figueiredo JR; Tetaping GM; Ribeiro-Rodrigues AP (Journal of assisted reproduction and genetics, 2026)