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.
Skin patches are another type of ERT. Examples are Alora, Climara, Estraderm, and Vivelle-Dot. Combination estrogen and progestin patches -- like Climara Pro and Combipatch -- are also available. Menostar has a lower dose of estrogen than other patches, and it's only used for reducing the risk of osteoporosis.