Natural and syntheticestrogens, mainly manure-borne, seriously threaten man's survival because of their high estrogenic activity as well as big production.
环境中由粪源产生的雌激素，由于其活性高、产生量大而对人类的生存和健康产生严重威胁。
2
If at all possible, try to abstain from syntheticestrogens contain in some hormone replacement therapies, especially those which are derived from the urine of horses.
只要可能，就要设法禁戒包含在激素取代疗法中的合成雌激素，特别是那些源于马尿的雌激素。
3
The treatment studied was the most commonly prescribed hormone replacement pill, Prempro, which contains estrogens from horse urine and a synthetic relative of the hormone progesterone.