From: Effect of calcium supplementation on bone resorption in pregnancy and the early postpartum: a randomized controlled trial in Mexican Women
Unadjusted
Adjusteda
N
%∆b
p-value
Study visit
2nd trimester
548
15.1
0.001
544
13.8
3rd trimester
517
16.4
<0.001
513
15.6
1-month postpartum
456
20.2
453
19.2
Average
567
16.8
563
15.8