Laboratory values in pregnancy. See All Laboratory Values in Pregnancy.

Urea Nitrogen - BUN (Serum) During Pregnancy

A blood urea nitrogen test is ordered as a diagnostic tool examining liver and/or kidney function. When the liver and kidneys are working properly, BUN levels should be normal. ... read more »

Phosphorus - Inorganic Phosphate (Serum) During Pregnancy

There are two names for the phosphorus blood test ' phosphorus or inorganic phosphate. The test reports the amount of phosphate found in blood. ... read more »

Aspartate Aminotransferase Levels During Pregnancy

Aspartate Aminotransferase (AST) is often included in blood tests as a measurement of liver health. The enzyme promotes healthy metabolism of amino acids. ... read more »

Activated Partial Thromboplastin Time During Pregnancy

This blood test gives doctors an indication of blood clotting time. Blood is moved to the lab in vials that contain an anticoagulant (stops blood clotting). Once in the lab, a coagulant is added to the vial and the lab tech notes how long it takes for a clot to form. ... read more »

Glycated Hemoglobin (Whole Blood) During Pregnancy

Hemoglobin A1c, also known as glycated hemoglobin, is a test used to determine how well treatment for diabetes is working over a minimum of a six-week period. The test gives a result that shows an average blood glucose level for the previous six to 12 weeks. ... read more »

Why Does My Doctor Test Alkaline Phosphatase?

Alkaline phosphatase is an enzyme that removes phosphates from various molecules in the body, including proteins and alkaloids. This blood test is often ordered as part of a liver health screening. ... read more »

DHEA-S (Serum) During Pregnancy

DHEA-S (dehydroepiandrosterone sulfate) is excreted by the adrenal glands. Blood tests are ordered if female patients show signs of excessive masculinity or if an adrenal tumor is suspected. One of the causes of altered DHEA-S levels is polycystic ovary syndrome. ... read more »

What Is a 24-Hour Creatinine Clearance Test?

A 24 hour creatinine clearance test requires both urine and blood collection. The patient collects all urine for 24 hours and then reports to the lab with the urine sample to have blood drawn. ... read more »

Mean Corpuscular Hemoglobin During Pregnancy

Hemoglobin is found in red blood cells. It is the part of the cell that carries oxygen. Mean corpuscular hemoglobin (MCH) measures the weight of the average amount of hemoglobin in one red blood cell. ... read more »

Red Cell Distribution Width During Pregnancy

Red cell distribution width is a measurement of variation between red blood cells sizes. There should be an even distribution of immature and mature /small and large red blood cells. ... read more »

Thyroxine Free During Pregnancy

Thyroxine blood tests are typically ordered to evaluate thyroid health. ... read more »

24-Hour Urine Collection Test During Pregnancy

Patients ordered to complete a 24-hour potassium excretion test must collect all excreted urine for 24 hours. The urine is tested for potassium in an attempt to pattern potassium rise and fall throughout the 24 hour period. ... read more »

Immunoglobulin Test During Pregnancy

Immunoglobulin A is the most common antibody in blood. Antibodies, like IgA, are nothing more than proteins designed to attack and fight off foreign bodies like bacteria and toxins. The level of IgA is highest in the gastro and respiratory tracts. ... read more »

Progesterone (Serum) During Pregnancy

Progesterone is a reproductive hormone that works closely with human chorionic gonadotropin, follicle stimulant hormone, luteinizing hormone and other reproductive hormones to regulate menstrual cycle, ovulation and pregnancy changes. ... read more »

Parathyroid Related Protein (Serum) During Pregnancy

The parathyroid-related protein is partially responsible for calcium levels in the body, but the effect is thought to be much greater than that. ... read more »

Tissue Plasminogen Activator (Plasma) During Pregnancy

Tissue plasminogen activator (TPA) is part of the blood clotting system. The body naturally produces the activator to help control blood clotting to ensure blood remains viscous and moving. ... read more »

Tissue Plasminogen Activator Inhibitor During Pregnancy

Tissue plasminogen activator inhibitor (PAI) plays an important role in blood clotting. During pregnancy, levels of PAI rise, but levels return to normal quickly after birth. ... read more »

24-Hr Sodium Urine Test During Pregnancy

A urine sodium test measures the total amount of sodium in a urine sample. The 24-hour collection method requires the patient to collect all urine output for a 24 hour period in a special container. ... read more »

Serum Albumin During Pregnancy

Albumin is a general term referring to water-soluble proteins found in blood. Serum albumin accounts for about 60% of plasma proteins found in human blood. ... read more »

HCG Count In Pregnancy

Human chorionic gonadotropin, or hCG, is produced by the placenta during pregnancy. ... read more »

Hemoglobin Electrophoresis During Pregnancy

Hemoglobin electrphoresis is among the routine blood tests done during pregnancy and the first prenatal visit. The hemoglobin electrophoresis tests for abnormal forms of hemoglobin (hemoglobinopathy). Most patients with abnormal hemoglobins have no symptoms but could potentially transmit the gene to their fetus. ... read more »