jacquemier's sign
Học thuậtThân thiện
Definition
Noun: - A clinical sign of early pregnancy: A purplish or bluish discoloration observed on the mucous membrane of the vagina and cervix. This sign is considered an indicator of increased vascularity and blood flow to the pelvic region in the early stages of pregnancy.
Usage
- This term is used exclusively in a medical or clinical context, specifically within obstetrics and gynecology.
- It functions as a countable noun (e.g., , ).
- It is typically used to describe a finding during a physical examination.
Examples
- The physician noted Jacquemier's sign during the pelvic exam, suggesting a pregnancy of approximately six to eight weeks.
- While not definitive on its own, the presence of Jacquemier's sign is often correlated with other early pregnancy indicators.
Advanced Usage
- The sign is named after the French obstetrician Jean Jacquemier. It is also commonly referred to as Chadwick's sign, named after the American physician James Read Chadwick, who independently described it.
- It is one of several early presumptive signs of pregnancy, which also include amenorrhea (missed period) and breast tenderness.
Variants and Related Words
- Chadwick's sign (n): A synonymous term for Jacquemier's sign.
- Goodell's sign (n): A related early sign of pregnancy involving softening of the cervix.
- Hegar's sign (n): A related early sign of pregnancy involving softening of the uterine isthmus.
Synonyms
- Chadwick's sign
Antonyms
- There is no direct antonym, as it describes a specific physical finding. Its absence would simply be described as "Jacquemier's sign was not observed" or "no vaginal cyanosis was present."
Notes
- This is a highly specialized medical term. It is not used in everyday conversation and would be unfamiliar to non-medical professionals.
- The sign is considered a "presumptive" sign of pregnancy, meaning it suggests pregnancy but is not conclusive proof, as other conditions can sometimes cause similar vascular changes.
Noun
- a purplish discoloration of the mucous membrane of the vagina that occurs early in pregnancy