One physician notes that clinical observation shows that breastfeeding contractions do not produce dilation of the cervix. Accordingly, in the Moscona survey of 57 mothers breastfeeding during pregnancy, only four women (seven percent) recalled contractions related to breastfeeding at all.
The pituitary gland is situated under the brain and is an endocrine gland. The pituitary gland produces the adrenocorticotrophic hormones (ACTH), which are essential for all vital organs of the body. The pituitary gland is responsible for regulating the production of hormones in the adrenal and thyroid glands.
The endocrine system is composed of several different types of glands and organs that produce the hormones of the dog's body. A hormone is a chemical that is secreted by a gland in one area of the body and is carried by the bloodstream to other organs in the body, where it exerts some effect.