11 months & not sitting up🥺

Jaila • Mom of 1 princess💞3 kings🩵stepmomma of 1🩵 Momma of autism child🧩 Twin momma👶🏾👶🏽

Hello my twin boys just hit 11 months yesterday and still aren’t showing signs of sitting up . baby b just started rolling over and baby a crawls rolls over everything but sit up they were born 36weeks 3 days not to bad to be premies pediatrician wants them to be evaluated for delay in motor skills,I’m just stuck on what I should do their bright boys but this is aggy a bit 😢any tips I can try ? Evaluation date has been set in 2 weeks .