Biology for IGCSE & O level - Reproduction (Section 6 - No. 22)
During the secretory phase of the menstrual cycle, what happens in the uterus?
The uterine lining sheds.
The uterine lining thickens and becomes more vascular.
Ovulation occurs.
A new follicle begins to develop.
Explanation
The uterine lining prepares for implantation during the secretory phase.
Comments (0)
