Changes in temperature, salt concentration, ionic concentration, of pH levels
The signal transduction pathways<span> recruited by the receptors of these hormones and growth factors </span>are<span> of particular interest.
Im not too sure about this might wanna check it.</span>
Human chorionic gonadotropin (hCG) is secrete by the embryo early in pregnancy to keep the corpus luteum for dying. This positive feedback will maintain the corpus luteum, which secretes Progesterone and Estrogens throughout pregnancy, in order to keep the endometrium well to nourish the embryo/fetus.
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