"A pregnant woman has to accommodate this foreign body of the growing fetus, so there is an immunological shift that occurs in pregnancy, " she said.
Meanwhile, the Foreign Office has confirmed it will help to return the body of Mr Karim to northern Iraq.
BBC: NEWS | UK | Wales | South West Wales | Refugee murder: youth released
Japanese Foreign Ministry spokesman Hatsuhisa Takashima said a body matching the description of Koda was found by U.S. forces between Baghdad and Tikrit.
The apparatus reportedly includes members of every US security, foreign policy and intelligence body.
Auto-immune diseases are caused when the immune system, for some reason, decides that a certain type of the body's own cells are foreign and starts attacking them.
And the transplantation of foreign tissue could provoke an immune response from the body which could reject the new cornea.
In the statement, the foreign ministry drew attention to the lack of medicines found in his body, even though the adoptive parents said they had been treating him with "a strong psychotropic medication".
Ultimately, that kind of decision-making gets rejected, as if it were a foreign body.
They found a 13% lower risk of rejection - where the body recognises the new heart as "foreign" and attacks it - in matched transplants over the first year.
The foreign secretary added that body armour would be provided for civilians who were involved in the protection of others.
BBC: Syria conflict: UK to give extra ?5m to opposition groups
The foreign secretary formally approved Mr Kinnock's appointment as head of the state-funded cultural body - after he had been recommended by an independent panel.
Autoimmune diseases are a family of debilitating illnesses caused when the body can no longer distinguish between itself and foreign entities, and so turns on its own tissues.
Nevertheless, members of the Committee for Foreign Investment in the U.S., an interagency body chaired by the Treasury Department, indicated they would recommend that President George W. Bush block the deal, say people briefed by members.
This new body, with financial and regulatory muscle, would also help balance the growing influence of foreign owners in the English game.
Foreign ministers of the League's member states decided Monday to grant Syria's seat in the body to the opposition.
In the absence of foreign antigens, a juiced-up immune system sometimes can't stop attacking its own body.
The foreign ministries of India and Pakistan said Thursday that arrangements were being made to repatriate Mr. Ranjay's body.
Queen bees are creatures of circumstance, encircling potential rivals in much the same way as the immune system attacks a foreign body.
Friday's meeting comes less than a week after a conference of foreign ministers, which included China and Russia, met in Geneva and called for a transitional government body as a step toward ending the uprising.
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