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.
Campbell Biology (12th Edition)
by Jane B. Reece, Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky
Published by
Pearson
ISBN 10:
0135188741
ISBN 13:
978-0-13518-874-3
Chapter 46 - 46.5 - Concept Check - Page 1040: 1
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