Hormone replacement therapy involves the administration of the hormones such as estrogen and progesterone from an external source in the form of pills (Provera, and Premarin), patches (Combipatch), injections, vaginal creams/sprays, and vaginal rings. These are the synthetic form of the hormones and given only in conditions when the female body stops producing estrogen and progesterone hormones due to menopause since the decreased production of these hormones causes vaginal discomfort, bone loss, libido, hot flashes, mood swings, and low energy. These hormones also reduce the risk of cataracts,