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- Title
25-Hydroxyvitamin D profiles and maternal bone mass during pregnancy and lactation in Japanese women.
- Authors
Yoshikata, Hiromi; Tsugawa, Naoko; Watanabe, Yuna; Tsuburai, Taku; Chaki, Osamu; Hirahara, Fumiki; Miyagi, Etsuko; Sakakibara, Hideya; Uenishi, Kazuhiro; Okano, Toshio
- Abstract
Vitamin D deficiency is observed worldwide and represents a health hazard for mothers, infants and elderly persons. We know that many young Japanese women experience vitamin D insufficiency; however, there is a lack of knowledge regarding the serum 25-hydroxyvitamin D [25(OH)D] profile of pregnant Japanese women and of the association between maternal 25(OH)D level and maternal bone mass during pregnancy and lactation. In this longitudinal study, 160 pregnant Japanese women were enrolled; of them, 68 have been followed-up from the first trimester through at least 1 year of breast-feeding. We estimated serum 25(OH)D levels, intact PTH levels, calcaneus quantitative ultrasound (QUS: T score) scores, bone mineral density at the distal one-third of the radius, dietary intakes according to the Food Frequency Questionnaire, and sunlight exposure times. We found that Vitamin D deficiency is prevalent in Japanese women, irrespective of pregnancy or lactation, and our analysis suggested that 25(OH)D levels and BMI in the first trimester were related to the lactating women's bone mass from after delivery to 1 year after delivery.
- Subjects
BONE densitometry; MATERNAL health; VITAMIN D deficiency; LACTATION; BLOOD serum analysis; BONES; RADIAL bone; ANTHROPOMETRY; SUNSHINE; DIET; VITAMIN D; PARATHYROID hormone; HEEL bone; QUESTIONNAIRES; BODY mass index; BONE density; LONGITUDINAL method
- Publication
Journal of Bone & Mineral Metabolism, 2020, Vol 38, Issue 1, p99
- ISSN
0914-8779
- Publication type
journal article
- DOI
10.1007/s00774-019-01032-w