What could this be !? 39 weeks

CAITLYN • Mother To A 8 Year Old 2013 Miscarriage 2017, Ectopic July 2018, Ectopic Right Tube Removal December 2019 Ectopic February 2021, baby boy born February 2022 👧🏻👼🏻👼🏻👼🏼 👼🏻 👶🏻

I had my cervix checked today and I’m 3cm dilated && 70% effaced . I’m now passing stuff like this. Is this normal or what could it even be ?