Abstract: Calcium is one of the essential minerals in human body, which is an important component of skeleton system, especially in fetal period, a period when a large amount calcium intaking from the maternal is needed for its bone growth. In recent years, with the continuous development of medicine, people′s understanding of the role calcium in pregnancy is no longer limited to the single layer of calcium which only provides minerals for fetal bone growth. It was found that calcium was associated with fetal growth and development, premature delivery, hypertensive disorder complicating pregnancy, postpartum hemorrhage and gestational diabetes mellitus, which has good application value. In order to improve obstetricians′ understanding of the role of calcium in obstetrics and to provide reference for clinical management of related diseases, we referred to the related literature and latest research materials at home and abroad and reviewed the application progress of calcium in obstetrics.

Key words: Calcium, Pregnant women, Fetal development, Pregnancy complications