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The Research behind

Visualize My Birth®

The mind and nervous system can be intentionally prepared for birth.

Birth is physical. But it is never only physical.

The brain is interpreting sensation. The nervous system is assessing safety. Hormones are responding to the environment. Expectations are shaping perception. The body is drawing upon the patterns it has practiced throughout pregnancy.

This is the science behind Visualize My Birth®.

Visualize My Birth® does not promise a particular type of birth. It does not teach women that their thoughts control every outcome or that fear represents personal weakness.

It teaches something far more powerful:

The mind and nervous system can be intentionally prepared for birth.

Through Guided Mental Rehearsal™, nervous-system regulation, birth education, nourishment, and repeated practice, women learn how to meet intensity with greater familiarity, remain connected to their bodies, and return to their practiced responses when birth unfolds differently than expected.

Contents

PILLAR 1:
Fear is neurological, not a personal weakness

Fear is not simply a thought.

When the brain perceives uncertainty, threat, or a lack of safety, it can activate the sympathetic nervous system and the release of stress hormones, including adrenaline and cortisol. This is the body’s protective response: prepare, brace, escape, or defend.

These hormones also rise naturally during birth and have important physiological roles. The issue is not the presence of adrenaline itself. It is what can happen when fear, anxiety, environmental stress, or a loss of safety adds another layer of activation to an already intense physical experience.

Research has found measurable relationships among childbirth fear, pain, stress physiology, and birth progression.

In a prospective study of 2,206 women planning vaginal birth, women with significant childbirth fear experienced births averaging one hour and 32 minutes longer than women without significant fear. After adjustment for parity and other factors, the difference remained statistically significant at 47 minutes. The study demonstrates an association; it does not mean that fear alone caused the difference. (Adams, Eberhard-Gran and Eskild, 2012)

In a Danish cohort of more than 25,000 first-time mothers, childbirth fear during pregnancy was associated with an increased likelihood of prolonged birth and emergency cesarean. Again, this does not mean women cause interventions through their thoughts. It demonstrates that emotional and physiological preparation deserve a meaningful place in birth education. (Laursen, Johansen and Hedegaard, 2009)

Research measuring fear, pain, cortisol, and catecholamines during birth has also found a particularly strong relationship between fear and perceived pain. (Alehagen et al., 2005)

This is why Visualize My Birth® never shames fear or asks a woman to ignore it. It helps her understand where it came from, change the images and messages she repeatedly gives her brain, and practice what she wants to return to when birth becomes intense.

Fear of birth is not evidence that a woman is weak. It is evidence that her nervous system has learned to protect her, and learned responses can be met with new ones.

PILLAR 2:
Blood sugar and hydration are part of nervous-system preparation

The nervous system does not respond only to thoughts.

It also responds to the physiological signals arriving from inside the body.

When blood glucose falls sufficiently, the body initiates a counterregulatory response designed to protect the brain and restore available fuel. Glucagon and epinephrine rise rapidly, while cortisol contributes to the slower defense against continued low glucose.

This response is protective and necessary. But it also means that hunger, inadequate hydration, exhaustion, and unstable energy can create physical sensations that resemble or intensify a stress response: shakiness, weakness, irritability, a racing heart, dizziness, and difficulty concentrating.

That matters during pregnancy, and it matters when making decisions about eating and drinking during birth.

Research on oral intake during birth is still developing. In one randomized trial of 328 low-risk first-time mothers, unrestricted carbohydrate intake did not significantly reduce prolonged birth, but it also did not increase adverse maternal or newborn outcomes. (Tranmer et al., 2005)

This means the scientific claim should not be that eating guarantees a faster birth. The more defensible, and more meaningful, point is that birth is physically demanding, glucose is essential fuel, and avoidable physiological depletion can add another signal of stress to the nervous system.

Visualize My Birth® teaches women to consider nourishment before birth begins, maintain hydration, and discuss an individualized plan for eating and drinking with their care providers.

When appropriate for the mother and her medical circumstances, small, frequent sources of glucose, potassium, mineral salts, and hydration may help her maintain energy without adding another layer of physical depletion.

The mind cannot be separated from the body’s need for fuel. Nervous-system preparation must include both.

PILLAR 3:
Mental rehearsal creates measurable patterns of preparation

Visualization is not wishful thinking.

Mental rehearsal is the intentional simulation of an experience before it physically occurs. It has been studied in athletics, rehabilitation, music, medicine, and high-performance environments.

When a person vividly imagines an action, the brain activates several of the same networks involved in planning and performing that action. Imagined and executed experiences are not neurologically identical, but they meaningfully overlap.

In one study, participants mentally practiced muscle contractions without physically performing them. After 12 weeks, the group rehearsing finger contractions increased strength by 35 percent, while the group rehearsing elbow flexion increased strength by 13.5 percent. These changes were accompanied by measurable increases in cortical signals involved in muscle activation. (Ranganathan et al., 2004)

Research using transcranial magnetic stimulation demonstrated that mental practice produces measurable changes in the cortical pathways involved in learning a new physical skill. Participants who mentally rehearsed a five-finger piano exercise showed cortical motor area changes comparable to those who physically practiced, changes that were not seen in the control group. (Pascual-Leone et al., 1995)

Pain research provides another relevant finding. In an fMRI experiment, expectations of lower pain reduced both participants’ reported pain and activation within pain-related brain regions. The researchers concluded that a mental representation of an impending sensory experience can shape the neural processing of the experience itself. (Koyama et al., 2005)

This does not mean the brain literally believes imagination and reality are identical. It means that repeated mental representation can influence expectation, perception, neural preparation, and the responses that become more readily available under pressure.

Elite athletes use mental rehearsal before high-stakes competition. Musicians mentally rehearse before performing. Surgeons use it to prepare for complex procedures.

Birth is one of the most physically and emotionally significant experiences a woman may ever navigate. Yet most traditional birth preparation focuses on information without progressively rehearsing how she wants to think, breathe, move, communicate, respond, and adapt inside the experience.

Guided Mental Rehearsal™ fills that gap.

When a woman has been there in her mind, she is not meeting every sensation, decision, or turn in the experience for the first time.

PILLAR 4:
The images women carry into birth matter

The brain is already collecting information about birth long before a woman intentionally prepares for it.

Every frightening story. Every movie scene. Every traumatic family narrative. Every warning delivered as though it were inevitable.

Her conscious mind may not have chosen those messages, but her nervous system may still have absorbed the images, emotions, and expectations attached to them.

A birth-specific study found that pregnant women carried vivid, detailed spontaneous images of their impending births. Negative childbirth imagery was associated with greater fear of childbirth. (Favrod et al., 2018)

This does not mean that difficult stories should be hidden or that women must think positively every moment of pregnancy. It means that the images repeatedly occupying the mind can influence the emotional experience of what lies ahead.

Visualize My Birth® helps women become aware of what their nervous systems have been learning, and intentionally decide what they want to practice instead.

They do not rehearse one rigid, perfect birth. They rehearse softening instead of bracing. Breathing instead of holding. Communicating instead of disappearing. Following their bodies instead of abandoning them. Adapting without losing themselves when the experience changes.

The goal is not to control birth. The goal is to build familiarity with the woman she wants to be inside it.

PILLAR 5:
Birth-specific mind-body interventions show measurable promise

The birth-specific research is growing.

In a 2021 randomized controlled trial involving 140 first-time mothers, guided imagery was associated with lower reported pain, shorter measured birth stages, and greater birth satisfaction compared with routine care. Because this was one single-site study, its findings should be treated as promising rather than proof that imagery will shorten every birth. (Kaplan and Çevik, 2021)

A 2026 randomized controlled trial assigned 123 first-time mothers to guided imagery with music, music alone, or routine care. Both mind-body interventions were associated with differences in how pain changed over time. Neither intervention significantly improved anxiety, and results for the overall birth experience were limited. The mixed findings matter: these interventions may support some aspects of birth without improving every outcome. (Uncu et al., 2026)

Childbirth self-efficacy, the belief that a woman can use coping behaviors and navigate the demands of birth, has also been studied directly. In a randomized trial of 133 first-time mothers, a prenatal self-efficacy intervention resulted in greater childbirth confidence, stronger coping behaviors, and lower perceived pain and anxiety during the earlier stages of birth. (Ip, Tang and Goggins, 2009)

Research on adjacent mind-body approaches provides additional support. A 2025 randomized study of 221 pregnant women found that an online hypnosis-based birth course improved birth expectations and reduced perceived stress. Visualize My Birth® is not hypnosis, but this research supports the broader principle that expectations and structured mental preparation can influence how women experience birth. (Motz, Brückner and Schmidt, 2025)

The evidence does not show that the mind controls every outcome. It shows that imagery, expectations, perceived safety, self-efficacy, breathing, and practiced coping responses can influence how the brain and body process an intense experience.

PILLAR 6:
Repetition makes regulation more accessible

Understanding a strategy and accessing it under pressure are not the same thing.

A woman can know how to breathe, soften, move, or redirect her attention when she is calm. The real question is whether that response remains available when sensation intensifies, plans change, or the environment becomes unfamiliar.

This is why Visualize My Birth® is progressive.

Women do not simply listen to the same relaxing recording repeatedly. They build a Birth Vision™, identify the stories they have carried, create Anchor Statements™, practice the Reset Breath™, write and record a personal Vision Script™, use Voice Rehearsal™, and mentally move through different parts of birth and the first moments beyond it.

They also practice with life happening around them, while walking, folding laundry, washing dishes, or caring for children.

The purpose is not to become dependent on silence, darkness, or ideal conditions. The purpose is to deepen the ability to return to the body even when conditions are imperfect.

Controlled breathing research supports this aspect of the method. In a randomized study, diaphragmatic breathing practice improved sustained attention and negative affect while reducing cortisol responses to stress. Although the study was not conducted in pregnancy, it supports the use of breath as a practical regulation tool. (Ma et al., 2017)

The nervous system returns more readily to what it has practiced.

WHERE VISUALIZE MY BIRTH® IS DIFFERENT

Visualize My Birth® is not hypnosis. It is not meditation. It is not a collection of affirmations promising that birth will unfold exactly as envisioned.

It is a progressive birth-preparation method that integrates:

  • Guided Mental Rehearsal™
  • The Birth Vision™
  • The Vision Script™
  • Voice Rehearsal™
  • The Reset Breath™
  • Anchor Statements™
  • Birth Rhythm™
  • Birth physiology
  • Nervous-system preparation
  • Nourishment and hydration
  • Movement and environmental support
  • Rehearsal for changing circumstances
  • Preparation for birth and the first moments beyond it

The science behind the individual components already exists. Visualize My Birth® brings those components together into a method designed specifically for the realities of pregnancy, birth, and motherhood.

WHAT THE SCIENCE ALLOWS US TO SAY

  • Mental imagery can influence emotion and expectation.
  • Expectations can influence the brain’s processing of pain.
  • Mental rehearsal activates several of the neural networks involved in physical performance.
  • Childbirth fear is associated with pain, longer birth duration, and some interventions.
  • Guided imagery may reduce perceived pain and support birth satisfaction.
  • Strengthening childbirth self-efficacy can improve confidence and coping.
  • Breathing practices can support regulation and reduce physiological arousal.
  • Nourishment, hydration, environment, and perceived safety all belong in whole-person birth preparation.

Visualize My Birth® does not train women to control birth. It trains them to meet birth with greater familiarity, resilience, trust, and access to the responses they have intentionally practiced.

Train intentionally. Surrender instinctively.

SELECTED RESEARCH and Sources

Adams, S. S., Eberhard-Gran, M., and Eskild, A. (2012). Fear of childbirth and duration of labour: A study of 2,206 women with intended vaginal delivery. BJOG, 119(10), 1238-1246.
https://doi.org/10.1111/j.1471-0528.2012.03433.x

Alehagen, S., Wijma, B., Lundberg, U., and Wijma, K. (2005). Fear, pain and stress hormones during childbirth. Journal of Psychosomatic Obstetrics & Gynecology, 26(3), 153-165. https://pubmed.ncbi.nlm.nih.gov/16295513/

Favrod, C., Holmes, E. A., Vial, Y., Morisod Harari, M., and Horsch, A. (2018). Spontaneous childbirth-related mental images among pregnant women. Journal of Reproductive and Infant Psychology, 36(4), 393-405. https://pubmed.ncbi.nlm.nih.gov/29976093/

Ip, W.-Y., Tang, C. S. K., and Goggins, W. B. (2009). An educational intervention to improve women’s ability to cope with childbirth. Journal of Clinical Nursing, 18(15), 2125-2135. https://pubmed.ncbi.nlm.nih.gov/19583645/

Kaplan, E., and Çevik, S. (2021). The effect of guided imagery and reflexology on pain intensity, duration of labor and birth satisfaction in primiparas: Randomized controlled trial. Health Care for Women International, 42(4-6), 691-709. https://pubmed.ncbi.nlm.nih.gov/34156906/

Koyama, T., McHaffie, J. G., Laurienti, P. J., and Coghill, R. C. (2005). The subjective experience of pain: Where expectations become reality. PNAS, 102(36), 12950-12955. https://pubmed.ncbi.nlm.nih.gov/16150703/

Laursen, M., Johansen, C., and Hedegaard, M. (2009). Fear of childbirth and risk for birth complications in first-time mothers. BJOG, 116(10), 1350-1355. https://pubmed.ncbi.nlm.nih.gov/19538412/

Ma, X., Yue, Z.-Q., Gong, Z.-Q., and colleagues. (2017). The effect of diaphragmatic breathing on attention, negative affect and stress in healthy adults. Frontiers in Psychology, 8, 874. https://pmc.ncbi.nlm.nih.gov/articles/PMC5455070/

Motz, L., Brückner, R. M., and Schmidt, B. (2025). Improving birth preparation with the hypnosis online course “The Peaceful Birth.” Frontiers in Psychology, 16, 1508790. https://pmc.ncbi.nlm.nih.gov/articles/PMC11788403/

Pascual-Leone, A., Nguyet, D., Cohen, L. G., Brasil-Neto, J. P., Cammarota, A., and Hallett, M. (1995). Modulation of muscle responses evoked by transcranial magnetic stimulation during the acquisition of new fine motor skills. Journal of Neurophysiology, 74(3), 1037-1045. https://pubmed.ncbi.nlm.nih.gov/7500130/

Ranganathan, V. K., Siemionow, V., Liu, J. Z., Sahgal, V., and Yue, G. H. (2004). From mental power to muscle power: Gaining strength by using the mind. Neuropsychologia, 42(7), 944-956. https://pubmed.ncbi.nlm.nih.gov/14998709/

Tranmer, J. E., Hodnett, E. D., Hannah, M. E., and Stevens, B. J. (2005). The effect of unrestricted oral carbohydrate intake on labor progress. JOGNN, 34(3), 319-328. https://pubmed.ncbi.nlm.nih.gov/15890830/

Uncu, B., Yılmaz, T., Sarıkaya, N., and Kurt Durmuş, M. (2026). Guided imagery and music for labor pain, anxiety, and birth experience: A randomized trial. Journal of Integrative and Complementary Medicine. https://pubmed.ncbi.nlm.nih.gov/42281254/

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Contact Dr. Kimberly’s office at office@drkimberlyspair.com to learn more about Visualize My Birth® programs and certification; or the Fertility, Pregnancy, and Postpartum Support Package.

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