There is one hormone.It is the hormone parathamone.
PTH
The parathyroid produces a hormone called the parathyroid hormone. According to parathyroid.com, the major function of the parathyroid glands are to maintain the body's normal balance of calcium levels in the blood as well as the bones. Maintaining a normal range of parathyroid hormones also affects the nervous and muscular systems.Related article: The Difference Between the Thyroid and the Parathyroid
Calcitonin opposes the action of parathyroid hormone.
ovaries and the parathyroid
Hyperparathyroidism uses the hormone parathyroid (PTH).
Three hormones: parathyroid hormone, calcitonin and 1,25 dihydroxycholecalciferol (the active from of Vitamin D). These three hormones act on bone, the kidneys and the small intestine to keep calcium balance in you r body.
Parathyroid hormone (PTH) and calcitonin are the hormones that control calcium levels in the body. PTH increases blood calcium levels by stimulating the release of calcium from bones and enhancing calcium reabsorption in the kidneys. Calcitonin helps to lower blood calcium levels by inhibiting bone resorption.
No calcium is needed
Parathyroid which: "breaks down" bones to increase blood calcium levels
Parathyroid glands secrete PTH (parathyroid hormone) to regulate blood calcium levels.
You are probably referring to the popularly known hormone estrogen which has a function in the absorption of calcium. However, the process is complex and involves a number of lesser known hormones such as calcitonine and PTH, and also vitamins D and K.