Definitions:

1. A purplish discoloration of the mucous membrane of the vagina that occurs early in pregnancy. NOUN
   • Although Jacquemier's sign is a useful indicator, a pregnancy test is needed for confirmation.
2. An early clinical sign of pregnancy, characterized by a bluish to purplish discoloration of the vaginal walls, cervix, and vulva due to increased blood flow. NOUN
   • Along with other early pregnancy symptoms, Jacquemier's sign can help in the clinical assessment of gestation.

Synonyms:

• cervical cyanosis
• chadwick's sign
• pregnancy-related vascular change