Bone Mineral Density in Gravida: Effect of Pregnancies and Breast-Feeding in Women of Differing Ages and Parity

Table 6

Results in 12 outliers based on -scores and/or -scores <−2.0 at the LS.

Mean age (years)	26.6 (range: 22–39 with only two >30)
Mean height (cms)	157.4 (range: 145–165)
Mean prepregnancy weight (kgs)	55.4 (range: 41–90)
Mean prepregnancy BMI	22.4 (range: 17–39)
Mean current weight	60.8 (range: 44–85)
Mean current BMI	24.6 (range: 18–37)
Mean weight gain	5.3 (range: [−5]–12)
Mean gravidity	3.4 (range: 1–8)
Mean parity	3.3 (range: 1–8)
Mean number months lactation	24.9 (range: 0–98; three: primiparous; plus one multiparous never breast fed)
Mean number months pregnancy + lactation	52.5 (range: 8.5–166; three: primiparous)
Mean FN-BMD	0.700 (range: 0.605–0.736)
Mean FN -scores	[−1.5] (range: [−1.0]–[−2.2])
Mean FN -scores	[−1.4] (range: [−1.0]–[−2.1])
Mean LS-BMD	0.800 (range: 0.692–0.831)
Mean LS -scores	[−2.3] (range: [−2.0]–[−3.2])
Mean LS -scores	[−2.2] (range: [−1.8]–[−3.2])

BMI: body mass index; FN: femoral neck; BMD: bone mineral density; LS: lumbar spine.