Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun The levorotatory form of norgestrel, used in oral contraceptives and in contraceptives implanted subdermally. In implant form it can prevent pregnancy for up to five years.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun A
synthetic progestogen used as anactive ingredient in somehormonal contraceptives .
Etymologies
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Examples
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However, the FDA said two recently published studies reported a greater risk of blood clots for women taking birth-control pills containing drospirenone, compared to birth-control pills containing another progestin known as levonorgestrel.
Birth-Control Pills Face Safety Review Jennifer Corbett Dooren 2011
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The studies - both published Thursday in the online edition of the British Medical Journal - show that pills containing a new type of progestogen hormone called drospirenone carry up to triple the risk of serious blood clots known as venous thromboembolisms over an older generation of pills containing a hormone called levonorgestrel.
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The most widely used emergency contraceptive drug is levonorgestrel, which is approved for use within 72 hours of sexual intercourse and is thought to work by interfering with ovulation, the release of eggs from the ovaries.
Media Newswire media-newswire.com 2010
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The most widely used emergency contraceptive drug is levonorgestrel, which is approved for use within 72 hours of sexual intercourse and is thought to work by interfering with ovulation, the release of eggs from the ovaries.
PhysOrg.com - latest science and technology news stories 2010
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Women taking pills containing a progestogen called levonorgestrel (for example, Microgynon) had the lowest risk of thrombosis at four times that of women not on the pill.
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Last week, the European Medicines Agency said the risk of developing blood clots for oral contraceptives containing drospirenone was higher than that of pills containing levonorgestrel but said the risk for any type of birth-control pill was small.
Birth-Control Pills Face Safety Review Jennifer Corbett Dooren 2011
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They compared women taking birth-control pills containing drospirenone with women taking birth-control pills containing levonorgestrel and found the risk of blood clots to be 2 to 3 times greater among women taking drospirenone products.
Birth-Control Pills Face Safety Review Jennifer Corbett Dooren 2011
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The FDA said some previous studies have reported that the risk of blood clots for women who use birth-control pills containing drospirenone is higher than that for women who use birth-control pills containing levonorgestrel, while other studies haven't found such a risk.
Birth-Control Pills Face Safety Review Jennifer Corbett Dooren 2011
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Some of the studies have reported that the risk of blood clots for women who use birth-control pills containing drospirenone is higher than that for women who use birth-control pills containing levonorgestrel, while other studies haven't found such a risk.
FDA Flags Concern on Birth-Control Pill Jennifer Corbett Dooren 2011
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In May, the European Medicines Agency said the risk of developing blood clots for oral contraceptives containing drospirenone was higher than that of pills containing levonorgestrel but said the risk for any type of birth-control pill was small.
FDA Flags Concern on Birth-Control Pill Jennifer Corbett Dooren 2011
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