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.
Hormone Replacement Therapy Products. Finding the right regimen of estrogen type, form, and dosage may require time and patience. There are two types of pure estrogen dosage forms (systemic and local), a customized compound forms created by your pharmacist, and combination estrogen and progestrogen produts.