# Situation: A 30-year-old woman at 39 weeks' gestation, who has had two previous term vaginal births, is in active labor at a district hospital. She attended psychoprophylaxis childbirth classes during pregnancy and prefers to avoid drug analgesia. Her husband stays with her. The nurse reviews the breathing techniques from her classes. Which statement by the client shows a need for **FURTHER** teaching?

> source: MyMerci (mymerci.kr)  
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> subject: Nursing Practice II — Maternal and Child Health Nursing

## 문제

Situation: A 30-year-old woman at 39 weeks' gestation, who has had two previous term vaginal births, is in active labor at a district hospital. She attended psychoprophylaxis childbirth classes during pregnancy and prefers to avoid drug analgesia. Her husband stays with her.

The nurse reviews the breathing techniques from her classes. Which statement by the client shows a need for **FURTHER** teaching?

## 보기

1. "I will keep slow, relaxed breathing until it stops helping, and only then change patterns."
2. "I will pant if I feel an urge to push before the nurse says my cervix is fully open."
3. "I will start fast, shallow breathing with my first contractions to stay ahead of pain." **✔ 정답**
4. "I will take a cleansing breath as each contraction begins and again as it ends."

**정답: 3**

## 해설

Psychoprophylactic breathing starts with slow-paced breathing and changes to faster, modified or patterned (pant-blow) breathing only as contractions intensify and the slower pattern stops working. Starting rapid, shallow breathing from the first contractions wastes energy, tires her early, and invites hyperventilation. A cleansing breath opens and closes each contraction, and panting helps her avoid bearing down before full dilation.

## 심화 해설

Core Clinical Concept

The question tests whether the client understands the progressive, contraction-linked breathing sequence taught in psychoprophylactic childbirth preparation. The correct pattern is to match breathing intensity to contraction intensity, not to preemptively escalate it.

Psychoprophylactic breathing is a graded, dynamic technique: slow-paced breathing is the default early pattern, and faster modified patterns are introduced only when the slower pattern no longer provides adequate comfort or control. This sequencing conserves energy, maintains oxygenation, and prevents the fatigue and hyperventilation that can occur when rapid breathing is used too early.

Why Option 3 Indicates a Need for Further Teaching

The client’s statement, “I will start fast, shallow breathing with my first contractions to stay ahead of pain,” reflects a misunderstanding of how psychoprophylactic breathing works. The technique is not about “staying ahead” of pain by preemptively using the most intense pattern. Instead, it is about titrating the breathing pattern to the current contraction strength.

Starting fast, shallow breathing from the very first contractions wastes energy, tires the woman early in labor, and increases the risk of respiratory alkalosis from hyperventilation. Rapid, shallow breathing lowers arterial carbon dioxide (PaCO₂), which can produce lightheadedness, tingling around the mouth and fingers, and a sense of panic—all of which undermine the sense of control that psychoprophylaxis aims to build. In early labor, when contractions are typically mild and well-spaced, slow, relaxed breathing is both sufficient and more sustainable.

The Correct Breathing Sequence

The psychoprophylactic method follows a predictable progression that mirrors the physiology of labor:

| Labor Phase | Contraction Pattern | Breathing Technique | Rationale |
| --- | --- | --- | --- |
| Early labor (latent phase) | Mild, irregular, short | Slow-paced, relaxed breathing | Conserves energy; maintains calm; adequate for mild discomfort |
| Active labor | Stronger, longer, more frequent | Modified or accelerated breathing; may add patterned pant-blow | Provides distraction and rhythmic focus as pain intensity rises |
| Transition / urge to push before full dilation | Very intense; premature bearing-down urge | Panting or blowing to avoid pushing | Prevents cervical edema and trauma from pushing against an incompletely dilated cervix |

Key point! The transition from slow to faster breathing is symptom-driven, not time-driven. The woman changes patterns only when the current pattern stops being effective. This is exactly what option 1 describes correctly.

Why the Other Options Are Correct

Option 1 — “I will keep slow, relaxed breathing until it stops helping, and only then change patterns.” This statement reflects the core principle of graded breathing. The woman recognizes that she should not abandon a working technique prematurely. This matches the psychoprophylactic teaching that each breathing level is used until it no longer meets the need, at which point the next level is introduced.

Option 2 — “I will pant if I feel an urge to push before the nurse says my cervix is fully open.” This is correct. Panting (short, shallow, rapid breaths) is a deliberate technique used to suppress the bearing-down reflex when the cervix is not yet fully dilated. Pushing against an incompletely dilated cervix can cause cervical edema, lacerations, and maternal exhaustion. Panting reduces intra-abdominal pressure and helps the woman resist the urge until full dilation is confirmed.

Option 4 — “I will take a cleansing breath as each contraction begins and again as it ends.” This is correct. The cleansing breath is a deep, relaxing inhalation and exhalation that signals the start and finish of each contraction. It serves as a psychological “reset,” helps the woman relax between contractions, and ensures adequate oxygenation before and after the patterned breathing used during the contraction peak.

Integration with the Evidence

The systematic review by Leutenegger et al. examined skilled breathing and relaxation techniques taught during antenatal education and their effects on maternal and neonatal outcomes [2]. While the review focuses on birth outcomes rather than the specific mechanics of breathing patterns, it underscores that structured breathing training is a distinct, teachable intervention with measurable clinical relevance. The RCT by Bergström et al. similarly evaluated psychoprophylactic training as a formal educational package, reinforcing that these techniques are not merely supportive but are structured skills that require correct understanding and practice [1].

Watch out! A common exam pitfall is assuming that more intense breathing earlier is “better” pain control. In reality, premature escalation of breathing effort is counterproductive—it increases fatigue, promotes hyperventilation, and reduces the woman’s ability to sustain effective coping during the more demanding late phases of labor. The goal is efficiency and endurance, not early maximal effort.References (research sources)

- [1]Effects of natural childbirth preparation versus standard antenatal education on epidural rates, experience of childbirth and parental stress in mothers and fathers: a randomised controlled multicentre trial.RCT/clinical trialBergström M, Kieler H, Waldenström U (2009) · DOI: 10.1111/j.1471-0528.2009.02144.x

- [2]The effectiveness of skilled breathing and relaxation techniques during antenatal education on maternal and neonatal outcomes: a systematic review.Meta-analysis/systematic reviewLeutenegger V, Grylka-Baeschlin S, Wieber F, Daly D, Pehlke-Milde J. (2022) · DOI: 10.1186/s12884-022-05178-w

## 임상 시나리오

Psychoprophylactic Breathing in Active LaborTitrate pattern to contraction intensity, not ahead of pain
Start with slow-paced breathing as the default pattern in early active labor. Change to faster modified or pant-blow patterns only when the slower pattern stops providing comfort or control.

Use a cleansing breath at the beginning and end of each contraction. Teach panting if the woman feels an urge to push before full cervical dilation is confirmed.

CautionStarting fast shallow breathing with the first contractions wastes energy, tires the woman early, and risks hyperventilation with lightheadedness and tingling.

## 핵심 개념

- **psychoprophylactic breathing** — A graded breathing technique used in childbirth preparation that matches breathing intensity to contraction intensity to conserve energy and maintain control.
- **cleansing breath** — A deep breath taken at the beginning and end of each contraction to promote oxygenation and signal relaxation.
- **pant-blow pattern** — A modified breathing pattern used in late labor to prevent bearing down before full cervical dilation.
- **hyperventilation** — Rapid shallow breathing that lowers arterial carbon dioxide, causing lightheadedness, tingling, and panic.
- **respiratory alkalosis** — A state of reduced PaCO2 from excessive breathing, leading to symptoms such as dizziness and perioral numbness.

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