Is it black worm?

Hi mga mommies .pasintabi po sa mga kumakain. Ask ko lang, my baby girl is already 1 year and 5 days old . Nag poops po siya then napansin ko parang may itim na bulati na liit liit . Have you ever experience to sa baby niyo . Do I need to worry ? I hope you help me . Thanks a lot GodbLess#1stimemom