Which statements about the concentrations of hormones in the human menstrual cycle are correct?

1. Shortly before ovulation, the concentration of oestrogen is high and concentration of progesterone low.

2. During the last quarter of the cycle, the concentrations of oestrogen and progesterone fall.

3. At the end of menstruation, the concentration of oestrogen is low but rising, and the concentration of progesterone is low.

4. Just before ovulation, the concentrations of LH and FSH suddenly rise. 

A. 1, 2, 3 and 4 

B. 1, 2 and 4 only 

C. 2 and 3 only 

D. 3 and 4 only