Breastfeeding mothers secrete calcium in their milk. some of the calcium may come from their
bones, so they lose minerals. researchers compared a group of breastfeeding women with a group
of women of the same age not in the same situation. they measured the percent change in the
mineral content of the women's spines over 3 months and found the following:
breastfeeding
non-breastfeeding
-4.7-2.5-4.9 -2.7 -0.8-5.3-8.3-2.1-6.8-4.3 2.2 -7.8-3.1 -1.0-6.5 2.40.0 0.9 -0.2 1.0 1.7 2.9
-1.8-5.2-5.7 -7.0-2.2-6.5-1.0-3.0-3.6-5.2-2.0-2. 1-5.6-4.4 -3.3 -0.6 1.1 -0.1-0.4 0.3 1.2-1.6
-4.0-4.9-4.7-3.8-5.9-2.5-0.3 -6.2 -6.8 1.70.3-2.30.4-5.30.2-2.2 -0.1-1.5 0.7 -0.4 2.2-0.4 -2.2
-5.1
-0.1
the five number summary for the breastfeeding women is: