Yánez Hidalgo , Renato David, et al. “Impact of Preimplantation Genetic Testing for Aneuploidy (PGT-A) on IVF Pregnancy Outcomes: A Retrospective Cohort Study from a High-Altitude Fertility Center in Ecuador (2,850 M)”. Journal of Neonatal Surgery, vol. 15, no. 1s, Apr. 2026, pp. 56-75, https://jneonatalsurg.com/index.php/jns/article/view/10234.