For women in spontaneous labor, contractions are usually two to five minutes apart, last from 30 to 60 seconds, and have moderate strength. The easiest way to assess the power of labor is to time the frequency and duration of the contractions (from the beginning of one to the beginning of the next).
Melatonin, hormone secreted by the pineal gland, a tiny endocrine gland situated at the centre of the brain. Melatonin was first isolated in 1958 by American physician Aaron B. Lerner and his colleagues at Yale University School of Medicine.
hypothalamus controls pituitary gland hormones by releasing its hormones namely growth hormone releasing factor ,somatostatins,cortical releasing factor,thyroid releasing factâ¦or,prolactin releasing factor,prolactin release inhibiting factor.,gonadotrophin releasing factor, etc.thus the released gonadotrophin acts on pituitary gland ,.pituitary is ...