References
- Garel J-M. Hormonal control of calcium metabolism during the reproductive cycle in mammals. Physiol Rev 1987; 67(1)1–66
- Braithwaite GD, Glascock RF, Riazuddin S. Calcium metabolism in pregnant ewes. Br J Nutr 1970; 24: 661–670
- Wasserman RH, Comar CL, Nold MM, Lengemann FW. Placental transfer of calcium and strontium in the rat and rabbit. Am J Physiol 1957; 189: 91–97
- Khovidhunkit W, Epstein S. Osteoporosis in pregnancy. Osteoporosis Int 1996; 6: 345–354
- Morikawa H, Chough SY, Ohara N, Yamasaki M, Ueda Y, Deguchi M, Mochizuki M. Pregnancy induced hypertension (PIH) and osteoporosis. Nippon Naibunpi Gakkai Zasshi 1989; 65: 1123–1134
- Belizan JM, Villar J, Gonzalez L, Campodonico L, Bergel E. Calcium supplementation to prevent hypertensive disorders of pregnancy. N Engl J Med 1991; 325: 1399–1405
- Purwar M, Kulkarni H, Motghare V, Dhole S. Calcium supplementation and prevention of pregnancy induced hypertension. J Obstet Gynaecol Res 1996; 22: 425–430
- Cong K, Chi S, Liu G. Calcium supplementation during pregnancy for reducing pregnancy induced hypertension. Chin Med J 1995; 108: 57–59
- Tomoda S, Kitanaka T, Ogita S, Hidaka A. Prevention of pregnancy-induced hypertension by calcium dietary supplement: a preliminary report. J Obstet Gynaecol 1995; 21: 281–288
- Singh HJ, Dighe VC, Singh R. Reduced serum calcium concentration and its urinary excretion in women with pregnancy-induced hypertension. Asia Pac J Pharmacol 1993; 8: 29–35
- Singh HJ, Dighe VC, Singh R, Othman N. Serum levels and urinary excretion of magnesium calcium and other electrolytes in mild pregnancy-induced hypertension. Hypertension in Pregnancy 1993; 12: 113–120
- Marya RK, Rathee S, Manrow M. Urinary calcium excretion in pregnancy. Gynecol Obstet Invest 1987; 23: 141–144
- Sanchez PA, Idrisa A, Bobzom DN, Airede A, Hollis BW, Liston DE, Jones DD, Dasgupta A, Clew RH. Calcium and vitamin D status of pregnant teenagers in Maiduguri Nigeria. J Natl Med Assoc 1997; 89: 805–811
- Cross NA, Hillman LS, Allen SH, Krause GF, Vieira N. Calcium homeostasis and bone metabolism during pregnancy lactation, and postweaning: a longitudinal study. Am J Clin Nutr 1995; 61: 514–523
- Heaney RP, Skillman TO. Calcium metabolism in normal human pregnancy. J Clin Endocrinol Metab 1971; 33: 661–670
- Poujeol P, Charbardes D, Rionel N, Rouffignac CDE. Influence of extracellular fluid volume expansion on magnesium calcium and phosphate handling along the rat nephron. Pflugers Arch 1976; 365: 203–211
- Agus ZS, Chin PJS. Regulation of urinary calcium excretion in the rat. Am J Physiol 1977; 232: F545–F549
- Agus ZS, Gardner LB, Beck LH, Goldberg M. Effects of parathyroid hormone on renal tubular reabsorption of Na and Ca and P. Am J Physiol 1973; 224: 1143–1148
- Cushard WG, Creditor MA, Canterbury JM, Reiss E. Physiologic hyperparathyroidism in pregnancy. J Clin Endocrinol Metab 1972; 34: 767–771
- Bouillon R, De Moor P. Pathophysiological data obtained with a radioimmunoassay for human parathyroid hormone. Ann Endocrinol 1973; 34: 657–667
- Conforti A, Biale Y, Levi M, Shany S, Shainkin-Kestenbaum R, Berlyne GM. Changes in serum calcitonin parathyroid hormone and 1 25-dihydroxycholecalciferol levels in pregnancy and labour. Miner Electrolyte Metab 1980; 3: 323–328
- Reitz RE, Daane TA, Woods JR, Weinstein RL. Calcium, magnesium, phosphorus and parathyroid hormone interrelationships in pregnancy and new born infants. Obstet Gynecol 1977; 50: 701–705
- Dent CE, Gupta MM. Plasma 25-hydroxyvitamin D levels during pregnancy in Caucasians and in vegetarian and non-vegetarian Asians. Lancet 1975, ii: 1057–1060
- Hillman LS, Slatopolsky E, Haddad JG. Perinatal vitamin D metabolism. IV Maternal and cord serum 24 25-dehydroxyvitamin D concentrations. J Clin Endocrinol Metab 1978; 47: 1073–1077
- Pederson EB, Johannesen P, Kristensen S, Rasmussen AB, Emmertsen K, Moller JM, Lauritsen JG, Wohlert M. Calcium, parathyroid hormone and calcitonin in normal pregnancy and pre-eclampsia. Gynecol Obstet Invest 1984; 18: 156–164
- Bumatowska JR, Harris CA, Sutton RAL, Dirks JH. Effects of PTH and c'AMP on renal handling of calcium magnesium and phosphate in the hamster. Am J Physiol 1977; 233: F514–F518
- Belizan JM, Villar J. The relationship between calcium intake and edema proteinuria and hypertension-gestosis: an hypothesis. Am J Clin Nutt 1980; 33: 2202–2210
- Villar J, Belizan JM, Fischer PJ. Epidemiologic observations on the relationship between calcium intake and eclampsia. Int J Gynaecol Obstet 1983; 21: 271–278
- Bucher HC, Guyatt GH, Cook RJ, Hatala R, Cook DJ, Lang JD, Hunt D. Effect of calcium supplementation on pregnancy-induced hypertension and preeclampsia. A meta-analysis of randomised controlled trials. JAMA 1996; 275: 1113–1117
- Levine R, Hauth J, Curet L, Sibai B. Trial of calcium to prevent preeclampsia. N Engl J Med 1997; 337: 69–76
- Prada JA, Tsang RC, Clark KE. Hypocalcaemia and pregnancy-induced hypertension produced by low calcium diet. Hypertension 1994; 23: 695–702