目的了解妊娠晚期妇女骨密度分布规律，为指导孕妇钙营养提供依据。
Objective to learn the distribution discipline of the bone mineral density of the late pregnancy women and to provide the reference for guiding the calcium nutrition for the pregnancy women.
结论开展膳食指导，及时补充钙、铁和维生素b1、B2对保证孕妇的营养有重要意义。
Conclusion it was extremely important for pregnant woman to give a dietary guide and to increase the supplement of calcium, ion, vitamin B1, vitamin B2 on diet.
提示孕妇在妊娠期应注意补充蛋白质和钙，密切观察al P值，做好围产保健。
It reveals that pregnant women should pay attention to complement of proteins and calcium, variation of serum ALP value and health CARES during perinatal stage.
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