The upper limit of normal protein excretion in preganancy is listed as 300 mg/d, but in reality all clinical laboratories should set their own upper limits for pregnancy, as techniques to quantitatively measure protein in the urine may vary from lab to lab. However, for practical purposes, this is borderline proteinuria, and its appearance in late pregnancy (you did not mention your gestational week) fits the technical definition of preeclampsia. However, we treat patients not definitions, and proteinuria per se is not major determinant of fetal or maternal risk. It is the other aspects of pregnancy that will be closely watched by your caregivers (the course of BP, hematological, liver and renal blood tests, tests of fetal growth and well being, other signs or symptoms that suggest progression of preeclampsia) and not the 326 mg that will determine their course of action.. A blood pressure in the 140/80s mm Hg, alone, would lead most to continue such pregnancies to term, if no other problems arose, again the proteinuria per se not determining delivery indications.
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