Chiropractic and Pregnancy

An important reason for care throughout pregnancy is to help establish balance in the mother's pelvis. Because of a lifetime of stress and trauma to her spine and pelvis, her pelvic opening may be compromised, resulting in a less than optimum passage for the baby. Williams Obstetrics Text tells us that, "Any contraction of the pelvic diameters that diminish the capacity of the pelvis can create dystocia (difficulty) during labor." They further state that the diameter of the woman's pelvis is decreased when the sacrum is displaced. Dr. Abraham Towbin, medical researcher on birth tells us that the bony pelvis may become "deformed" this way by trauma. Chiropractors define this displacement/ deformation as spinal misalignment or subluxation primarily caused by the stress of trauma. 

Additionally, these compensations to her spine and pelvis during pregnancy are likely to cause an imbalance to her pelvic muscles and ligaments. The woman's pelvis supports her growing uterus with specific ligaments. When the pelvic bones are balanced, the uterus is able to enlarge symmetrically with the growing baby. If the bones of the pelvis are out of alignment or subluxated, this will directly affect the way the uterus will be supported. Unequal ligament support of the uterus will torque the uterus reducing the maximum amount of room for the developing baby. The term used to describe this is intrauterine constraint. 

In some cases, this constraint restricts the baby's positions during pregnancy adversely affecting his/her developing spine and cranium. Additionally, these limitations on the baby's movement during pregnancy may prevent him/her from getting into the best possible position for birth. Any birth position other than the ideal vertex, occiput anterior position of the baby indicates the inhibiting effects of constraint. Such positions lead to longer more painful labors with increased medical interventions in birth. Often c-sections are resorted to and both the mother and baby miss the many benefits of a natural vaginal birth. 

Sacral misalignment causes the tightening and torsion of specific pelvic muscles and ligaments.  It is these tense muscles and ligaments and their constraining effect on the uterus which prevents the baby from comfortably assuming the best possible position for birth. The Webster Technique is defined as a specific chiropractic analysis and adjustment that reduces interference to the nerve system and facilitates biomechanical balance in pelvic structures, muscles and ligaments. This has been shown to reduce the effects of intrauterine constraint, allowing the baby to get into the best possible position for birth.

Dr. Larry Webster, Founder of the International Chiropractic Pediatric Association discovered this technique as a safe means to restore proper pelvic balance and function for pregnant mothers. In expectant mothers presenting breech, there has been a high reported success rate of the baby turning to the normal vertex position. This technique has been successfully used in women whose babies present transverse and posterior as well. It has also successfully used with twins. Any position of the baby other than ROA may indicate the presence of sacral subluxation and therefore intrauterine constraint. At no time should this technique be interpreted as an obstetric, "breech turning" technique.

It is strongly recommended by the ICPA instructors of this technique that this specific analysis and adjustment of the sacrum be used throughout pregnancy, to detect imbalance and optimize pelvic biomechanics in preparation for safer, easier births. Because of the effect the chiropractic adjustment has on all body functions by reducing nerve system stress, pregnant mothers should have their spines checked regularly throughout pregnancy, optimizing health benefits for both the mother and baby.