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.
1 Aromatase inhibitor: This type of drug prevents the body from making a form of estrogen (estradiol). 2  Examples are anastrazole, exemestane, and letrozole. 3  Common side effects include hot flashes, nausea, vomiting, and painful bones or joints. 4  Serious side effects include thinning bones and an increase in cholesterol.