Abstract
Objective: Objective of the study was to age, age of menopause, years since menopause,
determine association of lactation done during parity, body mass index and socioeconomic
reproductive years of life on postmenopausal conditions. Lactation was performed by 84%
bone mineral density. (168) women. Calcium supplements were used by
Methodology: Study was conducted at 44.5% (89) women during pregnancy and
Combined Military Hospital Rawalpindi for six lactation. Odds ratio for lactation and bone
months. It's a case control study. Non probability mineral density is 1.16 and for calcium
sampling technique was used. Sample size of 200 supplement intake and bone mineral density is
comprising of 100 cases and 100 controls were 0.58.
taken. Bone mineral density on DXA scan was Conclusion: In our study we conclude that
used as an outcome measure. performing lactation during reproductive years of
Results: Mean age of participants was 50 years life does not put women on increased risk of
with standard deviation of 0.78. Mean age of developing low bone mineral density after
menopause was 47.7 years with SD ± 2.22 and menopause. (Rawal Med J 2013;38: 393-396).
mean years since menopause were 7.8 years with Key words: Lactation, low mineral density,
SD ± 4.6. Cases and control were matched for postmenopausal women.