Regular and rhythmic uterine contraction can be elicited during bimanual examination as early as 4-8 weeks is… - NORCET-7 Mains-2024

NORCET-7 Mains-2024

Obstetrics and Midwifery Nursing

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Appeared in: NORCET-7 Mains-2024

Explanation

Palmer sign is defined as regular and rhythmic uterine contractions that can be felt during a bimanual examination in early pregnancy.
This sign is typically detectable between the 4th and 8th week of gestation.
The contractions are a probable sign of pregnancy, resulting from the physiological changes in the uterine muscle.
These contractions are distinct from Braxton Hicks contractions, which are typically irregular and felt later in pregnancy.

Option A: Hegar sign is related to the consistency of the uterus, not contractions. It refers to the softening of the lower uterine segment (isthmus).
Option B: Chadwick's sign is a visual sign related to color change, not a palpable sign of contraction. It is the bluish discoloration of the cervix and vagina.
Option D: Osiander sign is related to vascular pulsation, not muscular contraction. It is the increased pulsation felt in the lateral vaginal fornices.

Visual 1: Diagram - An anatomical illustration showing a healthcare provider performing a bimanual examination on a pregnant uterus, with labels pointing to the locations where Hegar sign, Palmer sign, and Osiander sign would be assessed.
Visual 2: Infographic - A chart comparing the different probable signs of pregnancy (Goodell, Hegar, Chadwick, Osiander, Palmer), including their description, timing of appearance, and the underlying physiological cause.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Early signs of pregnancy as background academic context rather than a clinical decision trigger.
Recognizing the probable signs of pregnancy is a fundamental skill in antenatal care. It helps in the early diagnosis of pregnancy and allows for timely initiation of prenatal care.
It is crucial to distinguish between presumptive signs (experienced by the woman, e.g., amenorrhea), probable signs (observed by the examiner, e.g., Palmer sign), and positive signs (conclusive proof of fetus, e.g., fetal heart sounds) for accurate diagnosis and patient counseling.
What if? - If the contractions were described as irregular, painless, and occurring later in pregnancy, they would be identified as Braxton Hicks contractions, not Palmer sign. Braxton Hicks contractions are a way the uterus prepares for labor but do not indicate the onset of true labor.

How to Approach the Question

First, carefully read the question and identify the key descriptive phrase: 'Regular and rhythmic uterine contraction'.
Note the timing provided: 'as early as 4-8 weeks'.
Review the options, which are all named signs of early pregnancy.
Recall or look up the definition of each sign.
Match the description in the question to the correct definition. 'Regular and rhythmic uterine contraction' directly corresponds to the definition of Palmer sign.
Eliminate the other options by confirming their definitions: Hegar sign (softening of isthmus), Chadwick's sign (bluish discoloration), and Osiander sign (increased pulsation).

Concept Tested & Keywords

Concept Tested: Early signs of pregnancy
Stem keywords: uterine contraction, bimanual examination, 4-8 weeks
Lead-in keywords: is known as
Clinical cues: The specific description 'regular and rhythmic uterine contraction' is the key to identifying the correct sign.

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