Cow milk even raw do have a very variable content of estrogen.
Milk from pregnant cows contains 33 times the estrogen of non pregnant cow milk...
You look after estrogen in our "modern" "industrial" diet and check the packaging? You are probably wrong as dairy products are high in female bovine estrogen.
"The potential for risk is large. Natural estrogens are up to 100,000 times more potent than their environmental counterparts, such as the estrogen-like compounds in pesticides."
The human consequences remain to be fully evaluated.