RoGOM (anti-D) should be given following Rh(+) delivery of a baby within:

PGIMER Chandigarh NO - 2015

Obstetrics and Midwifery Nursing

Easy

Appeared in: PGIMER Chandigarh NO - 2015

Explanation

Anti-D immune globulin is given to an Rh-negative mother after she delivers an Rh-positive baby to prevent her from developing antibodies against the Rh(D) antigen.
This process, called Rh isoimmunization, could cause hemolytic disease of the fetus and newborn (HDFN) in future pregnancies with an Rh-positive fetus.
The standard evidence-based guideline is to administer the injection within 72 hours of delivery to effectively neutralize any fetal Rh-positive red blood cells that may have entered the maternal circulation.
This timeframe is considered the optimal window to prevent the maternal immune system from mounting its own response.

Option A: While giving Anti-D within 8 hours is acceptable and effective, it is not the standard guideline for the maximum allowable time. The question asks for the established timeframe.
Option C: This is factually equivalent to 72 hours. However, in clinical practice and medical literature, '72 hours' is the precise and standard terminology used for this guideline. Examination questions often test for this level of precision.
Option D: Similar to the 8-hour option, administration at 24 hours is well within the effective period, but it does not define the complete, standard window which extends to 72 hours.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Postpartum administration of Rho(D) immune globulin (Anti-D) as background academic context rather than a clinical decision trigger.
Administering Anti-D immunoglobulin within the 72-hour window is a critical nursing responsibility to prevent Rh sensitization, which protects future pregnancies from hemolytic disease of the newborn (HDFN).
Nurses must verify the mother's Rh status (negative), the baby's Rh status (positive), and ensure the mother has not already been sensitized (negative antibody screen) before administration.
What if? If a mother misses the 72-hour window, the dose should still be given as soon as the omission is discovered. Some protection may be offered up to 28 days postpartum, though efficacy is reduced.

How to Approach the Question

First, identify the core of the question: the specific timing for administering Anti-D immunoglobulin after childbirth.
Recall the purpose of Anti-D: to prevent maternal Rh sensitization. This requires action within a specific timeframe after exposure to fetal Rh-positive cells, which occurs most significantly at delivery.
Evaluate the options. Recognize that '72 hours' and '3 days' are equivalent in duration.
Consider the context of medical guidelines. Precise time units like 'hours' are standard for clinical protocols. Therefore, '72 hours' is the more professional and accurate answer compared to '3 days'.
Eliminate '8 hours' and '24 hours' as they represent points within the correct window but not the full, standard timeframe allowed.

Concept Tested & Keywords

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