ЖД во время беременности: если ферритин менее 60 в первом триместре, то высок риск и дефицита железа в третьем триместре как ферритин менее 15, прием железа в беременность снижает риск ЖД вдвое:
The prevalence of iron deficiency (ferritin <15 μg/L) increased throughout pregnancy, at 4.5%, 13.7% and 51.2% at 15, 20, and 33 wk of gestation, respectively. Using a ferritin threshold of <30 μg/L, rates of deficiency were 20.7%, 43.7%, and 83.8% across these time points, respectively.
ferritin of <60 μg/L emerged as the ferritin threshold at 15 wk that predicted the presence of iron deficiency (ferritin <15 μg/L) at 33 wk. Iron-containing supplements (mainly multivitamins) taken prepreganancy/early pregnancy was associated with reduced risk of deficiency throughout pregnancy, including the 3rd trimester (odds ratio: 0.57; 95% confidence interval: 0.39, 0.82; P = 0.002).
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Am J Clin Nutr. 2024 Nov;120(5):1259-1268.
Longitudinal evaluation of iron status during pregnancy: a prospective cohort study in a high-resource setting.
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