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Iron supplement use in pregnancy - Are the right women taking the right amount?
Clin Nutr 2016; 35(3):741-7CN

Abstract

OBJECTIVES

To examine the prevalence and determinants of iron supplement use and the amount of iron consumed from iron-containing supplements.

METHODS

A cross-sectional survey was performed in antenatal clinics in two tertiary hospitals in Sydney, Australia between January and March 2014.

RESULTS

Of 612 (91% response rate) pregnant women, 589 with complete data were analysed. Overall iron-containing supplement use was 88.0%, of which 70.1% was multivitamin (MV) only, 7.2% was iron-only and 22.2% was both. Use of iron-containing supplements was associated with increased gestational age, a diagnosis of anaemia or iron deficiency (ID) in the current pregnancy and pre-pregnancy use of an iron-containing supplement. Several risk factors for ID or anaemia such as non-red meat eating and previous miscarriage were not associated with current iron supplement use. About 65% of women diagnosed with ID, and 62.3% of women diagnosed with anaemia were taking an iron-only supplement, with or without a MV. The proportion of women consuming low (<30), preventative (30-99) and treatment (≥100) mg/day doses were 36.8%, 45.4%, and 17.8%, respectively. Only 46.7% of women diagnosed with ID were taking ≥100 mg/day iron from supplements, while 23.3% were taking <30 mg/day.

CONCLUSION

Women are consuming varying doses of iron and some high-risk women are taking inadequate doses of iron to prevent or treat ID or iron deficiency anaemia. Healthcare professionals are best positioned to advise women on iron supplement use in pregnancy and should educate women individually about the type and dose of supplement best suited to their needs.

Authors+Show Affiliations

Clinical and Population Perinatal Research, Kolling Institute, University of Sydney, NSW, Australia.Clinical and Population Perinatal Research, Kolling Institute, University of Sydney, NSW, Australia; Department of Obstetrics and Gynecology, Royal Hospital for Women, Randwick, NSW, Australia.Clinical and Population Perinatal Research, Kolling Institute, University of Sydney, NSW, Australia.Department of Obstetrics and Gynecology, Royal Hospital for Women, Randwick, NSW, Australia.Clinical and Population Perinatal Research, Kolling Institute, University of Sydney, NSW, Australia. Electronic address: amina.khambalia@sydney.edu.au.

Pub Type(s)

Comparative Study
Journal Article
Multicenter Study
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

26070630

Citation

Chatterjee, Rahul, et al. "Iron Supplement Use in Pregnancy - Are the Right Women Taking the Right Amount?" Clinical Nutrition (Edinburgh, Scotland), vol. 35, no. 3, 2016, pp. 741-7.
Chatterjee R, Shand A, Nassar N, et al. Iron supplement use in pregnancy - Are the right women taking the right amount? Clin Nutr. 2016;35(3):741-7.
Chatterjee, R., Shand, A., Nassar, N., Walls, M., & Khambalia, A. Z. (2016). Iron supplement use in pregnancy - Are the right women taking the right amount? Clinical Nutrition (Edinburgh, Scotland), 35(3), pp. 741-7. doi:10.1016/j.clnu.2015.05.014.
Chatterjee R, et al. Iron Supplement Use in Pregnancy - Are the Right Women Taking the Right Amount. Clin Nutr. 2016;35(3):741-7. PubMed PMID: 26070630.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Iron supplement use in pregnancy - Are the right women taking the right amount? AU - Chatterjee,Rahul, AU - Shand,Antonia, AU - Nassar,Natasha, AU - Walls,Mariyam, AU - Khambalia,Amina Z, Y1 - 2015/05/29/ PY - 2015/01/23/received PY - 2015/05/15/revised PY - 2015/05/24/accepted PY - 2015/6/14/entrez PY - 2015/6/14/pubmed PY - 2018/1/18/medline KW - Iron KW - Iron deficiency KW - Pregnancy KW - Supplement SP - 741 EP - 7 JF - Clinical nutrition (Edinburgh, Scotland) JO - Clin Nutr VL - 35 IS - 3 N2 - OBJECTIVES: To examine the prevalence and determinants of iron supplement use and the amount of iron consumed from iron-containing supplements. METHODS: A cross-sectional survey was performed in antenatal clinics in two tertiary hospitals in Sydney, Australia between January and March 2014. RESULTS: Of 612 (91% response rate) pregnant women, 589 with complete data were analysed. Overall iron-containing supplement use was 88.0%, of which 70.1% was multivitamin (MV) only, 7.2% was iron-only and 22.2% was both. Use of iron-containing supplements was associated with increased gestational age, a diagnosis of anaemia or iron deficiency (ID) in the current pregnancy and pre-pregnancy use of an iron-containing supplement. Several risk factors for ID or anaemia such as non-red meat eating and previous miscarriage were not associated with current iron supplement use. About 65% of women diagnosed with ID, and 62.3% of women diagnosed with anaemia were taking an iron-only supplement, with or without a MV. The proportion of women consuming low (<30), preventative (30-99) and treatment (≥100) mg/day doses were 36.8%, 45.4%, and 17.8%, respectively. Only 46.7% of women diagnosed with ID were taking ≥100 mg/day iron from supplements, while 23.3% were taking <30 mg/day. CONCLUSION: Women are consuming varying doses of iron and some high-risk women are taking inadequate doses of iron to prevent or treat ID or iron deficiency anaemia. Healthcare professionals are best positioned to advise women on iron supplement use in pregnancy and should educate women individually about the type and dose of supplement best suited to their needs. SN - 1532-1983 UR - https://www.unboundmedicine.com/medline/citation/26070630/Iron_supplement_use_in_pregnancy___Are_the_right_women_taking_the_right_amount L2 - https://linkinghub.elsevier.com/retrieve/pii/S0261-5614(15)00146-6 DB - PRIME DP - Unbound Medicine ER -