LH and FSH by posterior pituitary while act on mature follicles to undergo ovulation. Estrogen and progesterone by ovaries and act on many things.
A solution............................
The aunt with the medullary thyroid cancer has enrolled in a study which is testing the effects of a new drug treatment for the cancer. Such study is known as emergent research. In this type of research, the data is collected over new analysis procedures. Then, based on these data, the course of the study can be improved.
Hence, the answer is 'emergent research'.
