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.
exists and is an alternate of. Merge this question into. Split and merge into it. Answer by Msesay. The hypothalamus releases GnRH (gonadotropin-releasing hormone) which stimulates the anterior pituitary gland to release LH (luteinizing hormone) and FSH (follicle-stimulating hormone).GnRH stimulates the LH burst in response to positive feedback from increasing estrogen levels.xists and is an alternate of. Merge this question into. Split and merge into it. Answer by Msesay. The hypothalamus releases GnRH (gonadotropin-releasing hormone) which stimulates the anterior pituitary gland to release LH (luteinizing hormone) and FSH (follicle-stimulating hormone).