[Pathological phosphorus and calcium metabolism during pregnancy and breast feeding].

The occurrence of calcium and vitamin D deficiencies is enhanced during pregnancy and lactation. The presentation of parathyroid diseases is altered during gestation. A peculiar form of osteoporosis, pregnancy-associated osteoporosis, may be observed. Fetus and newborns suffer the consequences of all these disorders. The authors have reviewed the early detection and treatment of these diseases and emphasized their prevention.