From my blood work sticky ..

Estradiol

With this being the most potent of the estrogens, I'm sure you're all aware that it can be responsible for things like water retention, hypertrophy of adipose tissue, gynecomastia, and perhaps even prostate hypertrophy and tumors. As a male it's very important to get your levels of this hormone checked for the above reasons. Also, it's the primary estrogen that's responsible for the negative feedback loop which suppresses endogenous Testosterone production. So, if your levels of estradiol are rather high, you can bet your ass that you'll be hypogonadal as well.

Increased estradiol levels can be indicative of a testicular tumor, adrenal tumor, hepatic cirrhosis, necrosis of the liver, hyperthyroidism, etc.

Normal ranges:

Adult Male
10-50 pg/ml

Adult Female
Follicular phase: 20-350 pg/ml
Midcycle peak: 150-750 pg/ml
Luteal phase: 30-450 pg/ml
Postmenopausal: 20 pg/ml or less