Popular birth control pills promotes blood clot risk

Among the most popular contraceptive pills available in the Canada - Yaz and Yasmin - carry a higher risk of serious blood clots than some other oral contraceptives, two new studies say.

Studies - both published Thursday in the British Medical Journal Online Edition - show that pills containing a new type of hormone called progestin drospirenone carry up to triple the risk of serious blood clots (known as venous thromboembolisms) on an old generation of pills containing a hormone called levonorgestrel.

Drospirenone is the key ingredient of Yasmin and Yaz, manufactured by Bayer and widely prescribed in the Canada. /

Focused on the drospirenone pills Yaz and Yasmin had global sales of 2 billion dollars in 2009, reports indicated.

Program market from the CBC raised health concerns regarding Yaz and Yasmin in January. Co-Chair Erica Johnson spoke to a number of young women who took the two brands of pills and health problems serious experienced.

More than 4,000 women have taken legal action against Bayer and more than 800 in the Canada joined a class action.

The findings provide evidence that the ancient oral contraceptives "appear to be a safer choice in thromboembolism than preparations containing drospirenone,", explains Dr. Susan Jick, school of medicine, Boston University, who led the research team.

In the first study, the researchers found the risk of a blood clot non-fatal in women using pills drospirenone of was double the risk for women using levonorgestrel containing oral contraceptives.

The study stresses that the overall risk of serious blood clots remains low – even in women taking the pill on the drospirenoane. Incidence rates were 30.8 per 100 000 years of women among the users of drospirenone versus 12.5 by 100 000 years of woman among users of levonorgestrel pills.

The researchers investigated existing U.S. medical claims data to reach their conclusions.

In the second study, researchers have discovered the first non-fatal blood clot risk among women with drospirenone containing oral contraceptives to women who have used the pill levonorgestrel-based almost tripled.

"Prescribe preparations of levonorgestrel risk lower than the choice of first line for women wishing to take an oral contraceptive appear prudent," say the authors.

In a statement, Bayer said Canada "the way the authors applied the methodology of the study reported in these two publications of defects on important show" and maintained that previous studies have shown that Yaz and Yasmin are as safe as other birth control pills.

"In view of the scientific body already large and robust evidence, notice of Bayer, these studies do not change the overall evaluation of the safety of oral contraceptives Bayer," the company said.

Erica Johnson return records the CBC links to accessibility

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Low rate of birth threat economy of South Korea, Governor Kim said

April 20, 2011, 7: 18 pm EDT by Belinda Cao

April 21 (Bloomberg) — the greatest threat to the economic health of the Korea of the South is not North Korean aggression or Chinese competition, Kim Moon-Soo, Governor of the largest province of the country and a potential candidate. According to the low fertility rate of the country.

Korea of the South have to face "a very big obstacle to our growth" that families have more babies, Governor of Gyeonggi Kim said in an interview at Bloomberg headquarters in New York. The Government must be "more active" in providing childcare and the lowering of the costs of the education of families, he said.Women with careers, which tend to "not to marry and not step to have children", have added to this "difficult" question, said Kim, the candidate favored most third in the Grand National Party for the next presidential electiona Realmeter survey this month. The Gyeonggi province has implemented incentives for encouraging Government employees have more children, said Kim.Taux of fertility of the Korea of the South was 1.21 per woman in the past five years - the fourth, lowest in the world, according to data from the Organization of Nations United. economy fourth Asia seeks more trade cooperation with the United States such as increased competition from China, which has lower labor costs and land prices, it faces. Kim urged the United States to ratify the free trade agreement between the two countries, adding to the military alliance between the nations which is "essential criticism" because of the China.Increasing TradeChina of China, exceeding Japan last year than the world of the second - most big economyis a competitor, but also a partner in trade closely with the Korea of the South, even though it is always on the Korea of North on military affairs, Kim said. The two countries on the Korean peninsula remains technically at war since the end of their 1950-53 conflict in a ceasefire, which was never replaced by a peace treaty. "If there is not in China, the alliance U.S. - Korea is not essential,"he says.Groups the Korea anti-Americans may attempt to stimulate the animosity against the United States, said Kim, noting that the trade agreement awaiting ratification has been completed during the administration of President George w. Bush, with some provisions renegotiated in December.A ex aequo with the United States firm security is also important for South Korea in relations with the Korea of the NordKim said. "" We must try to continue our dialogue and cooperation with the Korea of the North, but it must be based on a strong military alliance "with the United States, he said.Korea in the South refused to engage in dialogue with the Korea of the North, until the Government in Pyongyang apologize for the attacks of last year that killed 50 South Koreans, which hamper international negotiations on the weapons of the Korea of the Nord.Se program moving semiconductor and electronics KoreaSome Japanese makers, including Canon Inc., are considering relocation of plants in the Gyeonggi province to take advantage of the market in full growth of the Korea for these products, a trend that began after the earthquake in the Japan last month, according to Kim. Based at San Diego Qualcomm Inc., world's largest producer of mobile phone chips, also expand its investment in the country, he said.Kim, who said he was jailed twice while in militant anti-Government, was declared after seeing the failure in communism in the 1990s, he became a conservative after the fall of the Berlin wall and the Soviet Union. He said that his first visit in 1994 to United States, where he saw "impressive values" of the rights of man even in poor neighbourhoods, such as Harlem the city of New York, also helped to change his point of view.When asked to confirm his plans to run for President, Kim, 59, said, "Let's wait and see"- and noted that there is 20 months before the election.

-Editors: Steven Komarow, Leslie Hoffecker

To contact the reporter on this story: Belinda Cao in New York at the lcao4@bloomberg.net

To contact the editor responsible for this story: Kenneth Fireman at kfireman1@bloomberg.net

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