1 Femring-Femring is inserted into the vagina and left in place for three months, after which it is removed and replaced with a fresh ring. 2  NuvaRing-NuvaRing is inserted into the vagina and left in place for three weeks, after which it is removed for a 'ring-free' week to allow menstruation to occur.orn continuously for three weeks followed by a week off, each vaginal ring provides one month of birth control. Several vaginal ring products are currently available, including: 1  Estring-a low-dose estradiol-releasing ring, manufactured from silicone elastomer, for the treatment of vaginal atrophy (atrophic vaginitis).
Feta cheese, according to the latest EU regulations, is a variety of cheese that is made in specific areas of Greece and is manufactured using sheep's milk. The cheese may also be considered âfetaâ if it is made of a mixture of sheep and goat's milk, with goat's milk being less than or equal to 30% of the entire mixture. Goat cheese, as the name suggests, is cheese prepared using goat's milk. 1 Properties.
The name of this hard, sharp-tasting eweâs milk cheese comes from âpecoraâ â the Italian word for sheep. The common âromanoâ pecorino is made in Lazio, Sardinia and Tuscany, although these and other regions also produce their own unique versions of this cheese.