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. 2018 Jun 8;28(5):481–493. doi: 10.1038/s41370-018-0043-z

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© Nature America, Inc., part of Springer Nature 2018

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Fig. 3 — Creatinine vs specific gravity by pregnancy time point. Scatterplot between natural log transformed creatinine (mg/dl) and specific gravity for all maternal urine samples collected. Regression lines show the curvilinear relationship for each sampling period (T1A: <20 weeks gestation week day; T1B: <20 weeks gestation weekend day; T2: 24–28 weeks gestation; T3: 32–36 weeks gestation; T5: 2–3 months post-partum)