A test result that shows high levels of FSH and low levels of oestrogen could indicate perimenopause or menopause. The main weakness to this method of testing is that perimenopause is, by ...

At these times, blood was drawn to assay serum levels of testosterone, estradiol, follicle-stimulating hormone (FSH), sex hormone-binding globulin, and dehydro-epiandrosterone sulfate. The main ...