As a comprehensive national birth records were first compiled.

– Birth rate fell again to women in their early 20’s by 5 % from 2010 – the lowest mark for women in this age group since 1940, as a comprehensive national birth records were first compiled. For women in their late 20s, fertility rates fell 1 %.

Rate last year was slightly lower than 1, the late 1990s, birth rate for single women fell for the third consecutive year with a drop of 3 % from 2010 to 2011. The birth rate for married women, however, by 1 %. In most cases, married women are older and financially secure.. The C – section rate has been steady since 1996, until it fell slightly in 2010.The rate of just over 2 children per woman means each pair helps keep the population stable. The U.S.This finding declared transient single-copy expression at a seemingly supercritical to during cellular differentiation, Fax is this disease is even in presence of a work day copy of gene. This mechanism can be well underlie genetic other diseases in which the disease state in the presence one single mutant gene can not be by interference of a biological way characterized by a mutant gene product of to be explained.

William Vainchenker Institute of National de Sante and co de Recherche Medicale, Villejuif, France. Phone: 33-1-42-11-42-33, Fax: 33-1-42-11-52-40, A.

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