In excreted urine, a reliable "marker" that a pregnancy has initiated is Biology In excreted urine, a reliable "marker" that a pregnancy has initiated is A) progesterone. B) estrogen. C) follicle-stimulating hormone. D) chorionic gonadotropin. E) hypothalamic-releasing hormones. Answer: D Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+
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