Levonorgestrel ester

Levonorgestrel ester is a type of progestin, which is a group of hormones used in birth control methods. It is a derivative of levonorgestrel, a synthetic form of the female hormone progesterone.

Chemistry

Levonorgestrel ester is chemically known as 17α-ethynyl-18-methyl-19-nortestosterone. It is a synthetic steroid with potent progestational activity. The ester form of levonorgestrel is created by attaching a chemical group to the levonorgestrel molecule, which can affect its solubility and duration of action.

Pharmacology

Levonorgestrel ester works by preventing ovulation, altering the cervical mucus to make it more difficult for sperm to reach the egg, and changing the lining of the uterus to prevent a fertilized egg from implanting.

Uses

Levonorgestrel ester is used in a variety of contraceptive methods, including intrauterine devices (IUDs), contraceptive implants, and emergency contraception pills.

Side Effects

Common side effects of levonorgestrel ester include nausea, headache, breast tenderness, and changes in menstrual bleeding patterns. Serious side effects are rare, but can include blood clots, stroke, and heart attack.

See Also

• Levonorgestrel
• Progestin
• Birth control
• Intrauterine device
• Contraceptive implant
• Emergency contraception