IUGR has various causes. The most common cause is a problem in the placenta (the tissue that carries oxygen, food and blood to the baby).Birth defects and genetic disorders can also cause IUGR.UGR has various causes. The most common cause is a problem in the placenta (the tissue that carries oxygen, food and blood to the baby).
Making the world better, one answer at a time. Ethel Rosenberg was the person who played the minor role in the passing of the atomic secrets to the Soviet. He was later convicted for passing the atomic secrets to the Soviets.
The defection of Philby to the Soviet Union on January 23 1963 is one of the great dramatic moments of the Cold War. With his departure that night, the humiliation inflicted on Britainâs secret world by the Cambridge Spy Ring was almost complete.