Clinical observation of calcium supplementation during pregnancy / 中国综合临床

ABSTRACT

Objective To investigate the effect of calcium supplementation during pregnancy on clinical symptoms,the incidence of gestational hypertension and childbirth labor. Methods A set of pregnant women in the same season and the same gestation age(20 weeks later) with the age of 20?35 years old in Maternal and Child Health Care Hospital of Haidian District of Beijing were selected as research subjects,according to its cal?cium circumstances,divided into calcium group with 220 cases,who took 600 mg calcium every day from 20 week of pregnancy to delivery,and control group with 192 cases who didn't supplement calcium or supplement calcium but not regular or amount was not up to standard. The serum calcium of 20 weeks and 36 weeks of pregnancy were measured,the incidence of calcium deficiency symptoms during pregnancy, the incidence of hypertension during pregnancy,the termination of pregnancy and the labor time were observed. Results The incidence of lumbar and sacral pain,gastrocnemius muscle spasm and calcium deficiency symptoms accompanied with diffi?culty walking of calcium group were 21. 4%( 47/220) ,6. 8%( 15/220) and 1. 4%( 3/220) ,significantly lower than the control group(53. 1%(102/192),20. 8%(40/192) and 4. 7%(9/192)),the differences were signifi?cant(χ2=44. 62,17. 40,3. 92;P0. 05) . Conclusion Cal?cium supplementation during pregnancy helps reduce system hypocalcemia symptoms, reduce the incidence of gestational hypertension,but have no effect on pregnancy outcome.