Relaxin helps the pelvis spread so the baby can exit the body, but it also affects the ligaments in the feet, causing a stretching of those ligaments.

松弛素有助于骨盆打开，让胎儿从母体中出来，但松弛素也会影响脚部韧带，使脚部韧带松弛。

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Relaxin helps the pelvis spread so the baby can exit the body, but it also affects the ligaments in the feet, causing a stretching of those ligaments.

松弛素有助于骨盆打开，让胎儿从母体中出来，但松弛素也会影响脚部韧带，使脚部韧带松弛。

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