Segesterone acetate
Segesterone Acetate
Segesterone acetate (pronunciation: se-ge-ster-one a-ce-tate), also known as SGA, is a progestin medication which is used in contraceptive implants for the prevention of pregnancy.
Etymology
The term "Segesterone" is derived from the words "Seg" which is an abbreviation for "Segment" and "Sterone" which is a suffix used in chemical nomenclature for steroids. The term "Acetate" refers to the acetate ester group that is attached to the segesterone molecule.
Usage
Segesterone acetate is used in a contraceptive implant called Annovera, which is a type of vaginal ring. It is used in combination with ethinylestradiol, an estrogen, and is effective for one year.
Mechanism of Action
Segesterone acetate works by preventing ovulation, altering the cervical mucus to prevent sperm from reaching the egg, and changing the lining of the uterus to prevent a fertilized egg from implanting.
Side Effects
Common side effects of segesterone acetate include headache, nausea, breast tenderness, and menstrual irregularities. Serious side effects may include blood clots, liver disease, and breast cancer.
Related Terms
- Progestin
- Contraceptive implant
- Pregnancy
- Annovera
- Vaginal ring
- Ethinylestradiol
- Estrogen
- Ovulation
- Cervical mucus
- Uterus
- Headache
- Nausea
- Breast tenderness
- Menstrual irregularities
- Blood clots
- Liver disease
- Breast cancer
External links
- Medical encyclopedia article on Segesterone acetate
- Wikipedia's article - Segesterone acetate
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