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Levonorgestrel is a hormonal medication which is used in a number of birth control methods. [3] [7] It is combined with an estrogen to make combination birth control pills. [8]As an emergency birth control, sold under the brand names Plan B One-Step and Julie, among others, it is useful within 72 hours of unprotected sex.
All contain an estrogen, ethinylestradiol or mestranol, [1] [2] in varying amounts, and one of a number of different progestogens. (Regarding the estrogen, the inactive 3-methyl ether of ethinylestradiol, which must be metabolized by the liver into the active ethinylestradiol; 50 μg of mestranol is equivalent to only 35 μg of ethinylestradiol and should not be used when high-dose [50 μg ...
The ovulation-inhibiting dose of norgestrel appears to be greater than 75 μg/day, as ovulation occurred in 50 to 75% of cycles with this dosage of norgestrel in studies. [17] The ovulation-inhibiting dosage of levonorgestrel, which is twice as potent as norgestrel, is approximately 50 to 60 μg/day.
Norgestimate is a rapidly and completely converted prodrug, mainly of norelgestromin (17β-deacetylnorgestimate or levonorgestrel 3-oxime), but also of levonorgestrel (3-keto-17β-deacetylnorgestimate) to a lesser extent (22 ± 6% of an administered dose or about 40–70 μg) [2] and of levonorgestrel acetate (levonorgestrel 17β-acetate) in ...
It has also been found that the patch is less effective in women who weigh more than 198 pounds (90 kg). The contraceptive patch and other combination hormonal contraceptives are contraindicated in women older than 35 years who smoke cigarettes. [5] The contraceptive patch is contraindicated for use in women with a BMI ≥ 30 kg/m 2. [5]
Experts offer a list of the fish that have the most health benefits — from salmon and sardines to tilapia and tuna — plus which fish to avoid and why.
A pregnant woman is recovering in the hospital after she was stabbed multiple times by a pizza delivery driver over the size of her tip, according to reports. The incident happened on Sunday, Dec ...
A levonorgestrel-releasing implant was approved for medical use in 1983 in Finland and in the United States in 1990. [1] It is on the World Health Organization's List of Essential Medicines. [6] Levonorgestrel implants are approved in more than 60 countries and used by more than seven million women.