In this task, you are given a passage which has a question and the context. You have to generate an answer to the question based on the information present in the context.
Q: Context: Are low vitamin D levels linked with semen quality and sex steroids in infertile men?\Question: Are vitamin D deficiency and low ionized calcium linked with semen quality and sex steroid levels in infertile men?
A:
Infertile men with vitamin D deficiency had lower sperm motility, total numbers of motile sperm, Inhibin B, sex-hormone-binding-globulin (SHBG) and testosterone/estradiol ratio, but higher levels of free sex steroids, than infertile men with normal vitamin D levels.