Mucus plug or normal discharge?

Jess • Been with the love of my love for almost 8 years, married 17/08/19 baby boy 💙 👶 05/10/2019 baby boy 💙👶 April 2022 baby girl 🩷🧒 March 2024

Just lost a couple big chunks off discharge, is this the start of the mucus plug or just normal discharge?