Hormones, the menstrual cycle and reproduction

Figure 1 shows the changes in the thickness of the uterus lining during a typical 28-day menstrual cycle.

Uterus Lining Thickness over a 28-day Cycle

State the number of days that menstruation (the breakdown and shedding of the uterus lining) lasts in this cycle, based on the data in Figure 1.

[1]

Figure 1 shows the changes in the thickness of the uterus lining during a typical 28-day menstrual cycle.

Uterus Lining Thickness over a 28-day Cycle

State the number of days that menstruation (the breakdown and shedding of the uterus lining) lasts in this cycle, based on the data in Figure 1.

[1]

Hormones, the menstrual cycle and reproduction Questions