Trisection sanitary napkin

A sanitary napkin to be placed between the legs of a wearer, said sanitary napkin having a longitudinal centerline and a lateral centerline orthogonal thereto, said sanitary napkin comprising a liquid pervious topsheet, a liquid impervious backsheet joined to said topsheet:, and an absorbent core intermediate said topsheet and said backsheet, said absorbent core comprising:

• three longitudinally oriented trisections, wherein said central trisection lying along said longitudinal centerline of said sanitary napkin, said central trisection having a first thickness and being laterally flanked on each side by an outboard trisection, each outboard trisection having a second thickness, wherein said first thickness of said central trisection is less than said second thickness of said outboard trisections;
• and
• absorbent gelling material disposed in and interior to each of said outboard trisections, said central trisection being substantially free of said absorbent gelling material, wherein said core, when subjected to lateral pressure from the wearer will buckle at said central trisection.