Biology for IGCSE & O level - Reproduction (Section 4 - No. 35)
What happens to the corpus luteum if fertilization and implantation do not occur?
It continues to produce progesterone throughout the entire cycle.
It remains active until the end of the pregnancy.
It degenerates and stops producing progesterone.
It releases the egg to be fertilized.
Explanation
If fertilization doesn't occur, the corpus luteum degenerates.
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