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

Our findings along with other studies support this concept that increased BMI is of clinical relevance in the context of infertility in men since our data revealed an inverse correlation between seminal leptin level and BMI in  infertile men.
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This is a directly correlative relationship
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