Distractors
Oxytocin
Estrogen
Progesterone
Key
Relaxin
Question
This hormone that is released during pregnancy to increase elasticity of ligaments can also increase the risk of back and sacroiliac pain in new mothers after delivery because its levels can remain elevated in the body for several months after birth, causing excess ligamentous laxity: ("Soothing Moms' Aches and Pains: Soft-Tissue Strategies for New Mothers")