What Is the CONTRACEPTIVE Ring? The birth control ring is a soft, flexible, doughnut-shaped ring about 2 inches in diameter. It is inserted into the vagina where it releases hormones through the vaginal wall structure into the bloodstream slowly. The hormones in the ovaries be suffering from the ring and the uterus in order to prevent pregnancy.ContinueHow Does the Band Work? The combination of the hormones progesterone and estrogen in the birth control ring prevent ovulation . If an egg isn’t released, a woman can’t get pregnant because there is no egg for a male’s sperm to fertilize. The hormones in the ring also thicken the cervical mucus . This makes it problematic for sperm to enter the uterus and reach any eggs that may have been released.A total of 25 patients had confirmed alphavirus illness : 13 patients with EEE, 11 sufferers with VEE, and 1 patient with dual illness . Serum and CSF samples from 7 of the patients yielded VEE virus ; EEE virus was not isolated. Despite efforts to identify all individuals who met the criteria for probable or suspected infection, the 190 individuals from whom serum samples were attained included 59 who did not meet these criteria. In this combined group, 1 patient had confirmed EEE and 2 sufferers had confirmed VEE . The patient with EEE got arthralgia and headaches but no fever, and the 2 2 sufferers with VEE were febrile but reported no headache and had no additional neurologic indicators. Among the 99 cases of suspected disease, 5 were confirmed as EEE and 6 as VEE.