[Research purpose]Discussing the relationship among the times and way of pregnant and parturition with the childbearing age women sub-health together with reproductive diseases and the kidney in TCM, In order to supply the theory basis of improving the female sub-health and limit it transform into reproductive diseases.

Objective To explore the current situation of the women of childbearing age who suffered from kidney deficiency,as well as the distribution regularities of the different syndromes of kidney deficiency,so as to guide the clinical application and scientific research.

Study on critical value of haemoglobin for IDA of child-bearing women;