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American College of Obstetricians and Gynecologists (ACOG) (2020) Gestational Hypertension and Preeclampsia. Practice Bulletin No. 222.
https://www.acog.org/clinical/clinical-guidance/practice-bulletin/articles/2020/06/gestational-hypertension-and-preeclampsia

has been cited by the following article:

• TITLE: The Effect of Blood on the Protein to Creatine Ratio during Pregnancy

  AUTHORS: Kylie Rayburn, Amber Wright, Rajan Lamichhane, Brent Horswell, David Jude, David Chaffin, Jesse Cottrell

  KEYWORDS: Preeclampsia, Protein-Creatinine Ratio, Proteinuria, Hematuria

  JOURNAL NAME: Open Journal of Obstetrics and Gynecology, Vol.16 No.5, May 9, 2026

  ABSTRACT: The protein-creatinine (PC) ratio is a laboratory value utilized frequently for the diagnosis of pre-eclampsia. Our study looks at the effects of blood on the PC ratio. Urine can be contaminated with blood for multiple etiologies common in pregnancy. We collected urine and blood samples from pregnant patients of at least 20 weeks’ gestation. Patients were screened to exclude baseline proteinuria, defined as a prior PC ratio