Arginine vasopressin is increased in the fetal sheep circulation in response to hypoxemia, and arginine vasopressin also stimulates CRH production by cultured human placental cells.195, 208, 209 Besides being regulated by stimulatory factors, placental CRH secretion is also subject to inhibitory control by progesterone and nitric oxide.177, 203, 210 The Role of CRH in Labor In addition to its association with prostaglandins, oxytocin, and glucocorticoids, CRH has biological activities within the fetus and myometrium that promote labor
Ann Oncol 1997;8(6):569-573
When to Talk to Your Doctor About B12 Shots If youre tired all the time, forgetful, or dealing with unexplained numbness, check your B12 levels
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