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Oral contraceptives, abbreviated OCPs, also known as birth control pills, are medications taken by mouth for the purpose of birth control. The introduction of the birth control pill ("the Pill") in 1960 revolutionized the options for contraception, sparking vibrant discussion in the scientific and social science literature and in the media.
Women can be refused service by providers, and it is disapproved of by church leaders. Many are secretive about contraceptive use. [37] [38] Cameroon: Africa: Cambodia: Asia: Canada: North America (except Saskatchewan) (LNG only) [39] [40] Canada (Quebec) North America [39] [40] Cape Verde: Africa: Possibly due to small population [2] Central ...
The formula was created by Qian Yi as dihuang pill (地黄丸). It was published in "Xiao'er Yao Zheng Zhi Jue" (also known as "Key to Therapeutics of Children's Diseases" or "The Correct Execution of Pediatric Medicinals and Patterns" simplified Chinese: 小儿药证直诀; traditional Chinese: 小兒藥證直訣; pinyin: Xiǎo'ér Yào Zhèng Zhí Jué) in 1119 by Qian Yi's student.
Between 2015 and 2017, 64.9% of women ages 15–49 in the United States were using contraception, and of those 12.6% were using the oral contraceptive pill. [46] There are approximately 100 million users of combined oral contraceptives worldwide, with use being more common in Western Europe, Northern Europe, and the United States. [ 47 ]
Birth control, also known as contraception, anticonception, and fertility control, is the use of methods or devices to prevent pregnancy. [1] [2] Birth control has been used since ancient times, but effective and safe methods of birth control only became available in the 20th century. [3]
A 2006 study of 124 premenopausal women measured sex hormone-binding globulin (SHBG), including before and after discontinuation of the oral contraceptive pill. Women continuing use of oral contraceptives had SHBG levels four times higher than those who never used it, and levels remained elevated even in the group that had discontinued its use.
Chinese herbal medicine has been a major cause of acute liver failure in China. [216] The harvesting of guano from bat caves (yemingsha) brings workers into close contact with these animals, increasing the risk of zoonosis. [217] The Chinese virologist Shi Zhengli has identified dozens of SARS-like coronaviruses in samples of bat droppings. [218]
Each maker of Chinese patent medicine changes the proportions of the herbs slightly. Some herbs may be changed also. For example, rén shēn (ginseng root) may be replaced with dǎng shēn ("poor man's ginseng"). The original formula instructed that the pills be coated with zhū shā (朱砂) , which is banned by the FDA in the US. It is ...