When did Margery Kemp's illness being?

Margery Kempe's illness began around the year 1393, shortly after the birth of her first child. She experienced a series of physical and emotional crises, which some scholars suggest may have been related to postpartum complications. This period of suffering led her to seek spiritual guidance and ultimately to pursue a life of religious devotion and mysticism. Her experiences are detailed in "The Book of Margery Kempe," one of the earliest autobiographies in English.