Ulipristal acetate
Ulipristal acetate (pronounced: yoo-lih-PRIS-tal AS-e-tate) is a medication used for emergency contraception and to treat uterine fibroids. It is a type of progestin antagonist.
Etymology
The term "Ulipristal" is derived from the chemical name of the drug, which is 17α-acetoxy-11β-(4-N,N-dimethylaminophenyl)-19-norpregna-4,9-diene-3,20-dione. "Acetate" refers to the presence of an acetate group in the chemical structure of the drug.
Usage
Ulipristal acetate is used in emergency contraception (the 'morning after' pill) and in the treatment of uterine fibroids. It works by preventing or delaying ovulation and by altering the lining of the uterus to prevent implantation if fertilization does occur.
Related Terms
- Emergency contraception: A method of preventing pregnancy after unprotected sex or contraceptive failure.
- Uterine fibroids: Noncancerous growths of the uterus that often appear during childbearing years.
- Ovulation: The release of an egg from one of the ovaries.
- Uterus: A female reproductive organ where a baby grows during pregnancy.
Side Effects
Common side effects of ulipristal acetate include headache, dizziness, abdominal pain, and menstrual irregularities. Serious side effects may include liver damage and blood clots.
See Also
External links
- Medical encyclopedia article on Ulipristal acetate
- Wikipedia's article - Ulipristal acetate
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