At the start of parturition, which axis becomes significant?

Fetal Hypothalamic-Pituitary-Gonadal Axis

Maternal Adrenal-Pituitary-Thyroid Axis

Fetal Adrenal-Pituitary-Adrenal Axis

Maternal Hypothalamic-Pituitary-Adrenal Axis

During the initiation of labor, the fetal adrenal-pituitary-adrenal (HPA) axis is crucial.

The fetal adrenal glands produce cortisol, which stimulates the fetal pituitary gland to release adrenocorticotropic hormone (ACTH).