These data suggest that the HPG axis is activated in premature female infants prior to their would be term delivery. The index case differed in that elevated E2 levels persisted and ovarian cysts ...

A paracrine hormone of skeletal muscle acts as an endocrine signal for the synthesis of a sex hormone. Scientists at McGill University have observed in mice how myostatin, which inhibits the ...

These genetic disorders result from reduced levels of gonadotropin and sex steroids in the absence of anatomical or functional abnormalities of the hypothalamic–pituitary–gonadal axis.