() III-2 104 Low-risk pregnant women had a 25[OH]D serum Among women who had a repeat measure Unclear how level drawn at the first prenatal visit (mean 10.7 of 25(OH)D after supplementation (n=20), women were cohort [SD6.17] weeks). Supplementation was there was a significant rise in vitamin D level allocated to study recommended with either 2000 or 4000 units of (P<0.001). Mean rise: different vitamin D3 for women who had vitamin D doses. Insufficiency — 2000 units (n=11) 6.72 insufficiency (20-29 ng/mL) or deficiency (<20 ng/mL; 4000 units (n=1) 0 ng/mL Adherence to ng/mL). Deficiency — 2000 units (n=3) 16.3 ng/mL; There were no significant demographic on was 4000 units (n=5) 15.8 ng/mL differences between women who were deficient questioned as Although there was a not a significant (n=23) or insufficient (n=49) and those whose one woman difference, women who took 4000 units had serum levels were in the sufficient range had no a higher mean rise (13.17 ng/mL) than those (>30 ng/mL)(n=32). change and 2 taking 2000 units (8.79 ng/mL). had a Twelve of the women (60%) were still negative insufficient after supplementation with 2000 change. units of vitamin D3.
() cohort study III-2 104 Low-risk pregnant women had a 25[OH]D serum level drawn at the first prenatal visit (mean 10.7 [SD6.17] weeks). Supplementation was recommended with either 2000 or 4000 units of vitamin D3 for women who had vitamin D insufficiency (20-29 ng/mL) or deficiency (<20 ng/mL). There were no significant demographic differences between women who were deficient (n=23) or insufficient (n=49) and those whose serum levels were in the sufficient range (>30 ng/mL)(n=32). Among women who had a repeat measure of 25(OH)D after supplementation (n=20), there was a significant rise in vitamin D level (P<0.001). Mean rise: Insufficiency — 2000 units (n=11) 6.72 ng/mL; 4000 units (n=1) 0 ng/mL Deficiency — 2000 units (n=3) 16.3 ng/mL; 4000 units (n=5) 15.8 ng/mL Although there was a not a significant difference, women who took 4000 units had a higher mean rise (13.17 ng/mL) than those taking 2000 units (8.79 ng/mL). Twelve of the women (60%) were still insufficient after supplementation with 2000 units of vitamin D3. Unclear how women were allocated to different doses. Adherence to was questioned as one woman had no change and 2 had a negative change. on
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