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.
Most women use one of three types of vaginal estrogen: 1  Vaginal estrogen ring (Estring). You or your doctor inserts this soft, flexible ring into the vagina. 2  Vaginal estrogen tablet (Vagifem). You use a disposable applicator to insert a tablet into your vagina once a day for the first two weeks of treatment.