Campbell Biology (10th Edition)

Published by Pearson
ISBN 10: 0321775651
ISBN 13: 978-0-32177-565-8

Chapter 46 - 46.5 - Concept Check: 1

Answer

hCG production is crucial in the first trimester but drops off in the second.

Work Step by Step

Until the development of the placenta, the corpus luteum is crucial in supporting the pregnancy.
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