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Amazing Pregnancy Brain


A woman’s body undergoes amazing changes during pregnancy. Hormone changes cause hips to widen, ligaments to relax, and a woman’s brain to change. Pregnancy is the start of a whole new amazing pregnancy brain for mom! The hypothalamic-pituitary-adrenal (HPA) is the part of the mother’s brain that controls spatial memory and how a mother interprets feelings of fear and anxiety.1 The HPA is a vital part of the changes that shift a woman’s brain to that of a mother.These brain changes allow the mother to better respond and care for the needs of her baby.

Until recently, it was thought that a baby’s development was controlled only by mom and her environment. However, recent studies have shown that the baby is actually playing a role in its own development.


Dr.  Janet DiPietro found that there is an intimate communication happening between a mother and her baby. In one study, Dr. DiPietro used a loud noise to stimulate the baby while the mother was wearing noise-canceling headphones and completely unaware of the interaction. It was discovered that when the baby responded to the noise, the mother’s autonomic nervous system also responded.2

The Innate Mother Instinct

Mom may not realize it, but her innate nervous system is already responding to the needs and reactions of her baby. The brain, the spinal cord, and the miles of nerves that connect them make up the nervous system. The nervous system:

  • Controls the function of every cell, tissue, and organ in both mom and baby’s body.
  • Is the first system to form in a baby, beginning at just 2 weeks of gestation.
  • New brain cells are estimated to be forming at a rate of 250,000 per minute.2
  • By the 34th week of gestation the baby is creating nearly 2.5 million connections in its brain per minute.2

Because the nervous system is developing so rapidly, the baby is particularly vulnerable to any interference in this process.

Interference to the mother’s nervous system, causes miscommunication throughout her body as well as her baby’s leading to sub-optimal development of the baby. It can also interfere with the changes that are happening in the mother’s brain. Chiropractors are trained to detect and correct interference to the nervous system and Lifestyle Chiropractic Care during pregnancy can lead to:

  • Less pain during pregnancy
  • Decreased labor times
  • Easier birthing

Because of the intimate connection between mother and baby, it is also likely that Lifestyle Chiropractic Care during pregnancy will optimize the development of the baby.

If you are pregnant or know someone who is planning on expanding their family soon, take these steps to ensure the healthiest pregnancy possible for you and nurture the optimum development of your baby – even before they are born.


  1. Kinsley, C. H. (2008). The neuroplastic maternal brain. Hormones and Behavior,54(1), 1-4. doi:10.1016/j.yhbeh.2008.01.001
  2. Dipietro, J. A., Voegtline, K. M., Costigan, K. A., Aguirre, F., Kivlighan, K., & Chen, P. (2013). Physiological reactivity of pregnant women to evoked fetal startle. Journal of Psychosomatic Research,75(4), 321-326. doi:10.1016/j.jpsychores.2013.07.008



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