Menstrual Cycle Quiz

On roughly which day does ovulation usually happen in a 28-day cycle?

• Day 1

• Day 7

• Day 14

• Day 28

What happens during day 1 of the menstrual cycle?

• Ovulation

• The uterus lining breaks down

• The egg is fertilised

• The uterus lining thickens

Which statement is correct?

• Girls release several eggs each month

• One egg is usually released each cycle

• Eggs are made every month

• Periods happen because the egg bursts

What is the main function of the uterus lining during the cycle?

• To protect the ovaries

• To support a developing embryo

• To release hormones

• To store eggs

If the egg is not fertilised, what happens?

• The uterus lining breaks down

• The egg grows into a baby anyway

• The lining becomes thicker

• Ovulation stops immediately

Where does fertilisation usually happen?

• Vagina

• Cervix

• Oviduct (fallopian tube)

• Uterus

Periods stop after fertilisation because:

• The uterus lining has to stay in place to provide an embryo with nutrients and remove waste

• The egg gets stuck in the ovary

• The uterus lining is empty

• The body runs out of eggs

What is ovulation?

Why does the uterus lining thicken before ovulation?

A woman says, “My period did not start this month.”

Explain what might have happened to the egg cell and how this affects the menstrual cycle.