An undergarment to be worn by an expectant mother, throughout the second stage of labor and delivery. A cooperative interaction among a unique arc segment, waist encompassing band, abdominal segment having a perimeter section defining the abdominal opening of the garment for the wearer's pregnant belly, leg openings and posterior segment, allows for coverage by the undergarment of the perineal area of the expectant mother, between her vagina and her rectum, throughout the second stage of labor and delivery irrespective of the body positions and movements she undertakes at this stage.