A 5 oz. glass of wine contains about 0.6 oz of ethanol. (1) This quantity of wine thus has 14 gr. of ethanol.(3) This is 0.21 gr/kg for a 150 lb person.
Alcohol consumption affects hormone production significantly. This effect tends to be strongest with cortisol, which shows a spike after ethanol has been ingested. Ingesting enough wine to raise serum ethanol to over 1.25 gr/kg in a 150 lb person (six glasses of wine) the spike becomes five fold. (2)
The effects of ethanol on testosterone is more nuanced. At low levels, red wine may have positive effects on both oxidative stress and testosterone production, but this is strictly limited to low does.
(1) https://www.nclnet.org/alcohol_how_it_all_adds_up
(2) https://nutritionandmetabolism.biomedcentral.com/articles/10.1186/1743-7075-11-26
(3) https://www.nutritionheart.com/alcohol-drinks-grams-of-alcohol/
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