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.
Topical estrogen is available in several forms to fit your preferences: 1  A vaginal estrogen ring, such as Estring. 2  A vaginal estrogen cream, such as Premarin or Estrace. 3  A vaginal estrogen tablet, such as Vagifem, is inserted into the vagina using a disposable applicator.opical estrogen is available in several forms to fit your preferences: 1  A vaginal estrogen ring, such as Estring. 2  A vaginal estrogen cream, such as Premarin or Estrace. 3  A vaginal estrogen tablet, such as Vagifem, is inserted into the vagina using a disposable applicator.