Queried GO terms:

  idGO:0001893   Detailed information
  namematernal placenta development
  def"Maternally driven process whose specific outcome is the progression of the placenta over time, from its formation to the mature structure. The placenta is an organ of metabolic interchange between fetus and mother, partly of embryonic origin and partly of maternal origin." [GOC:add, ISBN:068340007X "Stedman's Medical Dictionary"]
  synonym"decidua development" RELATED [GOC:dph]
  is_aGO:0048856 ! anatomical structure development
  relationshippart_of GO:0001890 ! placenta development

No monarch genes has this GO term.