The frequent occurrence of infants tensing and stiffening can be a source of concern for many parents. However, this phenomenon is relatively common among newborns, and nearly all infants will experience it to varying extents and with diverse underlying causes.

During pregnancy, the body's demand for calcium increases. So, how much calcium does a pregnant woman need each day? Properly and adequately supplementing calcium will help expectant mothers reduce the risk of osteoporosis.