Question: Is this describing a (1) directly correlative relationship, (2) conditionally causative relationship, (3) causative relationship, or (0) no relationship.

Although this study investigates women with gynecological diseases,  the postmenopausal ovary is hormonally active, and the E2 produced by postmenopausal ovaries may therefore contribute to the maintenance of lipid metabolism.
user
This is a causative relationship
assistant