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.
The only reason I would switch to that form of Estradiol is because my new health insurance is charging so much for the Vivelle and will only cover the generic form of the Climara patch (also a bioidentical estradiol and not a bad choice, but I have heard that women are not liking the generic version.