Which intervention reduces the risk of HIV transmission from mother to child during childbirth?

AIIMS CRE 2025

Obstetrics and Midwifery Nursing

Medium

Appeared in: AIIMS CRE 2025

Explanation

An elective Cesarean section performed before the onset of labor and rupture of membranes is a key intervention to prevent mother-to-child transmission (MTCT) of HIV.
This procedure minimizes the infant's exposure to maternal blood and cervicovaginal secretions in the birth canal, which is a primary route of intrapartum transmission.
It is strongly recommended for pregnant individuals with a high viral load (greater than 1,000 copies/mL) near the time of delivery.
Studies have shown that this intervention, combined with antiretroviral therapy, can reduce the transmission risk significantly.

Option A: This is a postnatal (after birth) feeding decision, not an intervention that occurs 'during childbirth'.
Option B: Initiating ART during labor is too late to achieve optimal viral suppression needed to prevent transmission. Therapy must be started much earlier in pregnancy.
Option D: Herbal therapies have no scientific or clinical evidence supporting their effectiveness in preventing HIV transmission. Relying on them is ineffective and potentially harmful.

Visual 1: Flowchart: Decision-making for mode of delivery in HIV-positive pregnancy. This visual would show the pathway where a viral load test is performed late in pregnancy. If the load is greater than 1,000 copies/mL, the path leads to a scheduled Cesarean section. If the load is less than 1,000 copies/mL, the path leads to a discussion about vaginal delivery.

Clinical Relevance

Nursing practice connection: Use the key finding related to Prevention of Mother-to-Child Transmission (MTCT) of HIV to guide bedside assessment, documentation, and the next nursing action.
Nurses play a crucial role in counseling pregnant clients with HIV about the importance of ART adherence and the options for delivery to minimize transmission risk.
It is a key nursing responsibility to administer intrapartum IV Zidovudine as prescribed and to prepare for either a planned C-section or a vaginal delivery while avoiding invasive procedures.
Patient safety involves ensuring immediate post-birth care for the neonate, including a thorough bath to remove maternal fluids before any injections, and initiating infant ART prophylaxis.

How to Approach the Question

First, identify the core of the question: it asks for an intervention 'during childbirth' to reduce HIV transmission.
Analyze each option based on this specific time frame (intrapartum).
Eliminate 'Exclusive breastfeeding' as it is a postnatal intervention.
Evaluate 'Early initiation of ART in labor'. Recall that for ART to be effective, viral suppression is needed, which takes weeks to months. Therefore, starting in labor is too late for a primary strategy.
Consider 'Herbal therapy'. In evidence-based nursing practice, interventions without scientific support should be dismissed.
This leaves 'Delivery by Cesarean section'. Recall that this procedure bypasses the birth canal, physically separating the infant from maternal blood and secretions, which directly addresses the mechanism of intrapartum transmission.

Concept Tested & Keywords

Concept Tested: Prevention of Mother-to-Child Transmission (MTCT) of HIV
Stem keywords: HIV transmission, mother to child, childbirth, reduces risk
Lead-in keywords: Which intervention
Clinical cues: Age/sex group narrows the expected diagnosis, intervention, or normal reference range.
Negative lead-in flag: false

QhHDO_lneoMAl8vj2Xar9a