menstruation vs out of order

menstruation

noun
  • An instance of menstruation, the part of each month during which a fertile woman menstruates. 

  • The periodic discharging of the menses, the flow of blood and cells from the lining of the uterus in unfertilized females of humans and other primates. 

out of order

prep
  • Inappropriate or unsuitable. 

  • Not functioning properly. 

  • Not in order: not according with with the procedural rules governing formal meetings of a deliberative body. 

  • Out of normal sequence. 

adj
  • broken, not working right 

How often have the words menstruation and out of order occurred in a corpus of books? (source: Google Ngram Viewer )