What is MOPS?

According to the MOPS.com website:

"MOPS stands for Mothers of Preschoolers. MOPS International exists to meet the needs of every mom - urban, suburban and rural moms, stay-at-home and working moms, teen, single and married moms - moms with different lifestyles who all share a similar desire to be the very best moms they can be! MOPS recognizes that the years from infancy through kindergarten are foundational in a mother-child relationship and are filled with unique needs."