At international level, he features for Paraguay Women U20. His main role on the pitch is Defender. He measures 160cm in height and weighs 56kg.

Across the CONMEBOL Copa Libertadores Femenino 2025, Milagros Rolón appeared in 2 matches and averaged 2.5 tackles, 0 interceptions, 1.5 clearances, and 0 blocked shots per game.