When couples struggle to conceive, the focus is often on the physical mechanics of reproduction: ovulation, sperm count, and fallopian tube function. While these factors are crucial, there is a growing body of research highlighting the profound impact of the nervous system and of stress on fertility.
For anyone trying to conceive, understanding the relationship between stress and fertility can be liberating. It shifts the focus from blame to empowerment, showing that the body’s ability to reproduce is deeply intertwined with its sense of safety.
The HPA Axis and Reproductive Function
When you are stressed, your body activates the Hypothalamic-Pituitary-Adrenal (HPA) axis, releasing stress hormones like cortisol, norepinephrine, and epinephrine into the bloodstream. This forces the body into survival mode.
In a state of fight or flight, vital functions are prioritised over reproductive function. The body essentially decides that it is not a safe time to bring a new life into the world. A constant surge of stress hormones over time interferes with hormonal balance and ovulation patterns.
A study in 2000 found that women who struggle to conceive have higher cortisol levels than those who do not [1]. Furthermore, higher anxiety and depression rates at the beginning of an in-vitro insemination cycle have been linked to lower pregnancy rates. [2][3]
The Vicious Cycle of Infertility
For many couples, infertility itself becomes a source of immense stress. A landmark study in 1993 found that women going through infertility experienced levels of anxiety and depression comparable to women diagnosed with cancer, heart disease, or HIV [4].
This creates a vicious cycle. The more difficult it is to conceive, the more stress and depression a woman may experience. The higher the level of stress and depression, the less likely she is to conceive.
Breaking the Cycle with Yoga and the Relaxation Response
This is where yoga and meditation offer a powerful intervention. By activating the parasympathetic nervous system (the “rest and digest” state), we can signal to the body that it is safe, reducing cortisol levels and allowing reproductive function to return to balance.
In a 1990 study, researchers found that 34% of women with infertility who completed a 10-week mind-body programme, which included relaxation techniques, yoga, and meditation, became pregnant within six months [5].
The key mechanism here is the relaxation response. Dr. Herbert Benson’s research demonstrated that regular elicitation of the relaxation response lowers heart rate, blood pressure, and oxygen consumption, shifting the body into a deeply restorative state [6].
The Role of Oxytocin
Another hormone plays a critical role in fertility: oxytocin. Often called the “bonding hormone,” oxytocin is essential during childbirth and breastfeeding. However, research also suggests it supports sperm transport and improves fertility outcomes.
It has been demonstrated that yoga increases oxytocin levels [7]. This is another compelling reason why yoga may support fertility, as the combination of relaxation, breathwork, and gentle movement creates a sense of safety and connection that allows the body to feel ready to conceive.
Conclusion
By reducing stress, raising oxytocin, and calming the nervous system, yoga creates the optimal environment for conception. It is not a guaranteed cure, but it is a powerful adjunct, one that addresses the emotional and physiological barriers to fertility with compassion.
References
[1] Csemiczky, G., Landgren, B.-M., & Collins, A. (2000). The influence of stress and state anxiety on the outcome of IVF-treatment: Psychological and endocrinological assessment of Swedish women entering IVF-treatment. Acta Obstetricia et Gynecologica Scandinavica, 79(2), 113–118. https://doi.org/10.1034/j.1600-0412.2000.079002113.x
[2] Demyttenaere, K., Nijs, P., Steeno, O., Koninckx, P., & Evers-Kiebooms, G. (1988). Anxiety and conception rates in donor insemination. Journal of Psychosomatic Obstetrics & Gynecology, 8(3), 175–181. https://doi.org/10.3109/01674828809016785
[3] Thiering, P., Beaurepaire, J., Jones, M., Saunders, D., & Tennant, C. (1993). Mood state as a predictor of treatment outcome after in vitro fertilization/embryo transfer technology (IVF/ET). Journal of psychosomatic research, 37(5), 481–491. https://doi.org/10.1016/0022-3999(93)90004-y
[4] Domar, A. D., Zuttermeister, P. C., & Friedman, R. (1993). The psychological impact of infertility: a comparison with patients with other medical conditions. Journal of psychosomatic obstetrics and gynaecology, 14 Suppl, 45–52.
[5] Domar, A. D., Seibel, M. M., & Benson, H. (1990). The Mind/Body Program for Infertility: A new behavioral treatment approach for women with infertility. Fertility and Sterility, 53(2), 246–249. https://doi.org/10.1016/S0015-0282(16)53275-0
[6] Martin, S. (2008, October 1). The power of the relaxation response. Monitor on Psychology, 39(9). https://www.apa.org/monitor/2008/10/relaxation
[7] Jayaram, N., Varambally, S., Behere, R. V., Venkatasubramanian, G., Arasappa, R., Christopher, R., & Gangadhar, B. N. (2013). Effect of yoga therapy on plasma oxytocin and facial emotion recognition deficits in patients of schizophrenia. Indian Journal of Psychiatry, 55(Suppl 3), S409–S413. https://doi.org/10.4103/0019-5545.116318
