Unformatted text preview: metestrus. As LH comes down, estradiol goes up gradually then lowers and progesterone begins to rise. At this point, progesterone will plateau and the female goes into diestrus. If pregnancy occurs, progesterone will remain at the same level, if not it will drop back down, at which point estraiol will “wave” again and LH will again spike, bringing the animal back into proestrus....
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- Spring '08