MCN Lab Test to Know for Pregnancy - PDF

Test Purpose/Special Normal Range Results to Considerations consider Maternal Labs During Preg. CBC RBC Evaluate for anemia 3.75-5.0/mm W...

Test Purpose/Special Normal Range Results to Considerations consider Maternal Labs During Preg. CBC RBC Evaluate for anemia 3.75-5.0/mm WBC Infection or 5,000-15,000 High: immunosuppression Infection Hemoglobin (Hgb) Measurement of RBC 11.5-14g/dl Low: count Hemorrhage Hematocrit (Hct) % Measurement of RBC 32-42% Low: # in blood volume Hemorrhage Platelets Ability to clot 150,000-350,000/mm Needed: prior to epidural placement Low count: thrombocytopenia (Seen in HELLP syndrome) Urinalysis Nitrates Suspected UTI negative Elevated: UTI Protein R/o Pre-eclampsia negative Elevated: Renal issues Pre-eclampsia Ketones Evaluate for N/v/d negative Elevated: Dehydration Diarrhea, N/V Hyperemesis Gravidarium 24-hour Urine collection Urine collected on negative >300mg/24 hours: (With elevated bp’s) stored on ice for 24 Mild pre-eclampsia hours (total protein) >500mg/24 hours: Severe Pre-eclampsia Electrolytes Magnesium Magnesium levels 1.7-2.2 mg/dl If MgSO4 is infusing: drawn to check levels Levels: with Magnesium Therapeutic: 4-7meg Sulfate (MgSO4) Greater: complications Administration (Toxicity) BUN Evaluate kidney 6-20 mg/dl Assess kidney function functions Creatinine Assess glomerular 11-20 mg/kg/24hrs. Assess kidney function filtration Verify a 24-hr. urine test result Liver Function Test (LFT) Alanine aminotransferase Liver function 7-35 units/L Elevated: (ALT) HELLP Syndrome Aspartate Liver function 10-36 units/L Elevated: aminotransferase (AST) HELLP Syndrome Coagulation Studies Prothrombin time (PT) Coagulation.8-1.2 Checked during International pregnancy r/t bleeding Normalized Ratio (INR) or hemorrhage Partial thromboplastin Coagulation 21-35 seconds Checked during time (PTT) (Bleeding time) pregnancy r/t bleeding or hemorrhage Fibrinogen Coagulation 400mg/dl (elevated Elevation increases during pregnancy) risks of DVT & PE D-Dimer Detect: clots Less than 500 ng/ml Increased: Pulmonary Embolism Suspect PE DIC (Disseminated Intravascular Caution: Coagulation) This test will be positive in all pts after a trauma or surgery. TEST Purpose/Special Normal Range Why Considerations Prenatal labs HCG -Detect early pregnancy 1st 4 weeks the level Verify pregnancy -Monitor levels in doubles every 48 high-risk pregnancy hours Levels checked with -Monitor for Molar Pregnancy (x 1 trophoblastic tumors year) Blood type/RH Factor Identify blood type and Types: A, B, O, AB -To administer blood RH Factor RH: negative or products if needed positive -To identify if Rhogam is needed Rubella (German Identify if the mother Immune (positive If non-immune or measles) antibodies has immunity from past antibodies >10 IU/ml) equivocal, after vaccination delivery prior to discharge the mom will receive an MMR vaccine (live virus: not safe in pregnancy) RPR/ VDRL Prenatal lab to assess if Non-reactive State ordered prenatal Rapid Plasma Reagin the mom has been test. Venereal Disease exposed to Syphilis If reactive Treponemal Research Laboratory tests are the definitive methods for diagnosis of syphilis. Hepatitis B Detects HBV Negative antibodies If the mom is positive or unknown the baby will receive the HBig HIV Prenatal test: Human Negative antibodies Can be drawn at the Immunodeficiency hospital if not virus completed prior with a consent. Hemoglobin A1C Measures the amount 4-7% Elevated: 5.7-6.4% % of glycated Pre-diabetic range hemoglobin (hemoglobin coated Determine if diabetes with glucose) results is present. from the past 2-3 mos. Is the diabetes being managed successfully? GBS: Prenatal screening: Negative If positive, the mother Group B Streptococcus Vaginal swab at 36-37 is treated in labor weeks ega (Penicillin) to protect the neonate during a vaginal delivery L/S Ratio A sample of amniotic 2:1 ratio (mature This test is done to (lecithin/sphingomyelin) fluid is removed with lungs) test for lung maturity an amniocentesis in preterm neonates. Oral Glucose Tolerance To diagnosis: 4 blood draws are Test gestational diabetes done over 3 hours. Clients will ingest a drink high in glucose and evaluate how their blood glucose responds. Fasting BG