Study groups * | ||||||
Group 1 | Group 2 | Group 3 | ||||
(n = 21) | (n = 23) | (n = 31) | ||||
Character: | ||||||
Age: (years) | 26 ± 4 | 27 ± 4 | 27 ± 5 | |||
Prior nephrolithiasis: (months) | 41 ± 11 | 41 ± 13 | 43 ± 12 | |||
Duration of conception: (months) | 30 ± 4 | 30 ± 5 | 30 ± 3 | |||
Metabolic changes: | Normal range** | |||||
A-Serum: | ||||||
Parathyroid hormone: | 31 ± 6 | 31 ± 5 | 39 ± 8 | 14 - 65 | ||
1,25 Vitamin D: | 319 ± 43 | 309 ± 35 | 166 ± 41 | 75 - 250 | ||
B-24-h urine measurements: | ||||||
Calcium: | 8 ± 0 | 8 ± 0 | 7 ± 1 | 2.5 - 7.5 | ||
Phosphorus: | 30 ± 3 | 31 ± 4 | 31 ± 2 | 12 - 42 | ||
Uric acid: | 4 ± 2 | 4 ± 0 | 4 ± 1 | 1.5 - 4.4 | ||
Magnesium: | 4 ± 0 | 4 ± 1 | 4 ± 0 | 3 - 5 | ||
Citrate: | 1095 ± 63 | 1093 ± 61 | 1068 ± 79 | 228 - 1191 | ||
Oxalate: | 0.4 ± 0 | 0.4 ± 0 | 0.3 ± 0 | 0.1 - 0.5 | ||
Cystine: | 32 ± 8 | 32 ± 7 | 35 ± 8 | 28 - 290 |