2. Population health quality has increased, however, it is still difficult to adapt to comprehensiv

2.1 Sex ratio at birth is unbalanced .The male female ratio of the fifth census in 2000 was 117%, 119%in 2003 , up to 130%in few provinces , and amounted to 119%to 121%in.However , in rural areas , malnutrition still remains a serious problem , especially ......