The graph given below shows how the lining of the uterus in a female who has achieved puberty varies with time. Examine the graph and answer the following questions. 3

i) What is happening between A and B?

ii) Name the corresponding points in the second menstrual cycle when the same happens.

iii) Fertilization occurs on day 16 of the second menstrual cycle. How do you expect the graph to

behave after point C? Will the pattern of the first and second months be followed?​