Estrogen raises risk of blood clots and stroke.  Replacing this powerful hormone after menopause has more risks than first thought.
D015914:Estrogen Replacement Therapy; D004967:Estrogens / Q000009:adverse effects* / Q000494:pharmacology; D019317:Evidence-Based Medicine; D005260:Female; D006801:Humans; D017698:Postmenopause / Q000187:drug effects*; D012307:Risk Factors; D020521:Stroke / Q000139:chemically induced*; D013927:Thrombosis / Q000139:chemically induced*
D004967:Estrogens