Annovera

Annovera

Annovera (/ænˈoʊvərə/) is a type of contraceptive that is used to prevent pregnancy. It is a vaginal ring that releases a combination of ethinylestradiol and segesterone acetate to prevent ovulation.

Etymology

The name "Annovera" is a brand name and does not have a known etymology. It is a trademark of TherapeuticsMD, a pharmaceutical company that specializes in women's health.

Usage

Annovera is used by inserting it into the vagina and leaving it in place for three weeks. It is then removed for one week, during which a menstrual period usually occurs. The same ring is used for a year.

Mechanism of Action

Annovera works by releasing hormones that prevent the ovaries from releasing eggs (ovulation). It also changes the mucus in the cervix to make it harder for sperm to reach the egg, and changes the lining of the uterus to prevent a fertilized egg from attaching (implantation).

Side Effects

Common side effects of Annovera include headaches, nausea, vomiting, abdominal pain, and breast tenderness. Serious side effects can include blood clots, stroke, and heart attack.

Related Terms

• Birth control
• Contraceptive
• Ethinylestradiol
• Segesterone acetate
• Vaginal ring
• Ovulation
• Implantation
• Pregnancy

External links

• Medical encyclopedia article on Annovera
• Wikipedia's article - Annovera

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