X-linked dominant disorders are caused by mutations in genes on the X chromosome, one of the two sex chromosomes in each cell. In females (who have two X chromosomes), a mutation in one of the two copies of the gene in each cell is sufficient to cause the disorder.
Common Questions and Answers about Estrogen patch types. vivelle-dot. I did not want to go through menopause or life with no estrogen at age 35, so I opted for the estrogen hormone therapy. I chose to go with the Estradiol patches.
Estrogen patches are a popular option for many women. These patches are applied to a womanâs stomach, and they deliver the hormone in small doses each day. A new patch is applied every so often, such as every two days or once a week, depending on the type used. Topical estrogen also comes in a spray format.