CN: When the Women's Health Initiative stopped abruptly in 2002, up to that point, for 20 years, women were being prescribed estrogen, in the form of Premarin, the urine of pregnant horses, as a way to keep bone mass steady after menopause. (mindbodygreen.com)
Many women going through perimenopause or menopause use bioidentical progesterone as a gentle effective alternative to the synthetic progesterone found in conventional hormone replacement therapy (HRT) drugs that is synthesized from pregnant horse mare urine. (womenlivingnaturally.com)
Conventional Hormone Replacement Therapy (HRT) uses animal based - substances (including pregnant horse mare urine) as well as laboratory derived synthetic hormones for HRT preparation. (kontinuumnaturopathic.com)