CAIE IGCSE Biology 16.5.2 Changes During the Menstrual Cycle
Practise describing changes in ovarian events and uterine-lining thickness across a typical 28-day menstrual cycle.
- Syllabus
- 2026–2028
- Course
- Biology 0610
Exam points
- identify menstruation as shedding of the uterine lining at the start of the cycle
- locate ovulation at about day 14 as release of an egg from an ovarian follicle
- describe the uterine lining rebuilding, thickening and being maintained after menstruation
16.5.2—Menstrual cycle in terms of changes question 1
Fig. 1.1 shows the changes in the concentration of two hormones involved in the menstrual cycle.
Fig. 1.1
State the day in the 28-day menstrual cycle when the egg is most likely to be released from a follicle.
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