Birth Physiology: The Foundation of Safe Practice

Recently, The Times published an article suggesting that midwifery courses should stop promoting “natural birth ideology.” As a midwife, I feel it is essential to respond, not to defend dogma, but to clarify what physiological (or “normal”) birth education actually involves and why it is crucial for safe, evidence-based maternity care. This is not simply a matter of opinion; it relates directly to our professional responsibilities under the Nursing and Midwifery Council (NMC) Code.

What We Mean by “Ideology”

An ideology is a system of beliefs applied rigidly, often without regard for nuance or individual circumstances. In the context of childbirth, it implies a narrative that presents one approach such as unassisted birth as inherently superior.

Physiological birth education is not ideology. It is the evidence-based study of how labour and birth unfold in the absence of pathology. Understanding this is fundamental to the NMC requirement to practise effectively, use the best available evidence, and communicate clearly with women and families.

When any educational programme or policy promotes a single narrative, whether towards intervention or non-intervention, it restricts informed choice. The NMC Code is explicit: midwives must prioritise people, respect their right to make decisions, and provide balanced, unbiased information.

Families deserve accurate, transparent information to make choices that align with their values and clinical needs. Anything less is unfair to women, midwives, and the wider maternity system.

Defining Normal Birth

According to the World Health Organisation, a normal birth is:

“A spontaneous onset of labour, low-risk at the start of labour, progressing spontaneously through the stages of labour, and resulting in the birth of a healthy baby without any intervention, with the mother remaining in good condition.”

Normal birth is a reference point, not a moral standard and not an ideology.

Recognising what is physiological enables midwives to identify when labour deviates from expected patterns and when intervention is required. This is central to the NMC expectation to preserve safety and respond promptly to signs of deterioration.

Physiological Birth Is Knowledge, Not Dogma

Training in normal physiology equips midwives with:

  • Knowledge of expected labour patterns
  • Skills to support spontaneous labour safely
  • Confidence to escalate and intervene appropriately
  • The ability to provide balanced, evidence-based information

This is not about promoting one kind of birth. It is about understanding biology so that clinical decisions are sound. This is exactly what the NMC Code requires when it says midwives must practise effectively and use evidence-based knowledge.

You cannot recognise abnormal if you do not understand normal. This holds true in clinical care, research, audit, and the design of maternity services and technologies.

Recent UK maternity data demonstrates just how crucial a grounding in physiological birth is. According to the 2023 NMPA State of the Nation report, 23.1% of births were unplanned (emergency) caesarean sections, and 16.4% were planned (elective) caesareans (NMPA, 2025). Moreover, approximately 33% of labours were induced, with marked variation between different maternity services (NMPA, 2025). Only 49.4% of births in 2023 were unassisted vaginal births, a significant decline from 60.0% in 2018/19 (RCM, 2025). Alarmingly, more than 50% of births involved medical intervention, such as caesareans or instrumentation.

In a system where interventions are now the majority, midwives must be deeply familiar with what “normal” physiology looks like, so they can discern when an intervention is truly required and provide balanced, evidence-based counsel.

In such a system, a strong grounding in physiological birth is essential. Midwives must be able to distinguish between labours that truly require intervention and those that do not.

This is fundamental to the NMC’s requirement to preserve safety and provide safe, evidence-based care.

Choice and Fairness in Maternity Care

This debate is not about ideology; it is about choice.

Families should not be steered towards or away from any particular birth pathway. Too often, guidelines and educational materials lack clarity and evidence, leaving both families and clinicians uncertain about risks, benefits, and alternatives.

Without transparent, balanced information:

  • families cannot make informed decisions,
  • clinicians cannot meet the NMC standard to prioritise people, and
  • maternity care risks becoming inconsistent and inequitable.

Physiological birth education does not restrict choice, it expands it by ensuring all options are fully understood.

Psychological and Social Dimensions of Birth

Childbirth is not merely a physical event. It has emotional, psychological, and social dimensions that influence outcomes. Midwives trained in physiological birth understand how privacy, autonomy, environment, and emotional support affect labour.

The NMC Code requires midwives to practise with compassion, uphold dignity, and build trust. Removing physiological education risks undermining these responsibilities.

Balanced Education and Policy

Rather than removing physiological birth from midwifery curricula, the profession needs:

  • Comprehensive training in both normal physiology and risk management
  • Opportunities to observe and support midwifery-led, spontaneous labour
  • Transparent communication with families about all interventions
  • Policy that is evidence-based and centred on autonomy, safety, and compassion

This approach aligns with all four themes of the NMC Code: prioritising people, practising effectively, preserving safety, and promoting professionalism.

Conclusion

Understanding normal birth is not ideology, it is essential professional knowledge.

It enables midwives to:

  • recognise when intervention is genuinely necessary,
  • support spontaneous labour when appropriate,
  • practise safely, effectively, and compassionately, and
  • provide balanced, evidence-based information to families.

If we do not understand what is normal, we cannot reliably recognise what is abnormal or unsafe. Removing this knowledge from midwifery education would compromise clinical competence and restrict informed choice.

True evidence-based practice respects all birth pathways. Physiological knowledge is the foundation that enables midwives to uphold the NMC Code and provide safe, equitable, and person-centred maternity care.

NMPA (2025) State of the Nation report: maternity and perinatal audit 2023. HQIP / RCOG.

Royal College of Midwives (RCM) (2025) RCM calls for investment in maternity services as new report highlights shifting birth trends.

Zainab 💛