MB:Reproduction. Interpreting Data: Female Reproductive Cycle Hormones

Part A

What does the x-axis of this graph represent?

days since the start of the last cycle

Part B

What does the y-axis in the top panel represent?

levels of pituitary hormones

Part C

A surge in which hormone(s) immediately precedes ovulation?

LH and FSH

Part D

Based on the graph, elevated levels of which hormone(s) most likely stimulate the LH/FSH surge just before ovulation?

estradiol

Part E

The levels of pituitary hormones never increase above 10 grams/L of blood.

Cannot be determined from the graph

Part F

A surge in estradiol levels correlates with a surge in progesterone levels.

Not supported