Certified nurse midwife Heather Shannon, director of Upstate University Hospital's Midwifery Program, explains hormone replacement therapy (HRT) - what are they, what are bioidentical hormones, who are the candidates, what are the precautions and side effects.  In addition to addressing the primary care needs of a woman, the Upstate midwifery program team offers gynecological care, family planning, perimenopause and menopause management, among its services.  For more information, call 315 492-5875.