† labour-shown.ObstetricsObsolete a discharge of blood-streaked mucus from the vagina (a sign of impending labour); cf. shown.1 23.
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1822 J. M. GoodStudy Med. IV. 73Leucorrhea Nabothi. Labour-show.
1848 R. DunglisonMed. Lexicon (ed. 7) 629/2 One, two, or three days before labour, a mucous discharge, streaked with blood, takes place from the vagina, which is called the Signum,..Labour-show, or Show.