A platelet count of 50,000/mm3 is below the expected reference range, which can indicate disseminated intravascular coagulation. The nurse should report this result to the provider.An Hct of 39% is within the expected reference range and is not indicative of a postpartum complication.A serum albumin level of 4.5 g/dL is within the expected reference range. This finding is consistent with mild preeclampsia and does not indicate a worsening of the condition.A WBC of 9,000/mm3 is within the expected reference range.