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

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 »

Antigen 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 »

24-Hour Sodium (Urine Collection) (Excretion) 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 »

Red Blood Cell Count Test During Pregnancy

The RBC gives doctors the total red blood cell count present in the provided blood sample, which is a good indicator of total RBC count in the body. ... 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 »

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 »

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 »

Antigen 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 »

Thyroxine Free During Pregnancy

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

Gamma Glutamyl Transpeptidase During Pregnancy

GGT, also known as Gamma Glutamyl Transferase, tests are most often run in response to increased Alkaline Phosphatase (ALP). ... 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 »

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 Concentration Test During Pregnancy

The Mean Corpuscular Hemoglobin Concentration (MCHC) test is part of the common complete blood count (CBC) used to measure overall health. ... 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 »

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 »

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 »

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 »

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 »

Prothrombin Time (Plasma) During Pregnancy

Prothrombin time is the time it takes for plasma to clot. Plasma is the liquid portion of blood. ... read more »

Thyroxine - T4 (Serum) During Pregnancy

The total thyroxine test is typically ordered to measure thyroid function. Patients with symptoms of hyperactive or hypoactive thyroid may present with abnormal total thyroxine levels. Goiter and infertility testing may also include total thyroxine blood tests. ... read more »

Antithrombin III - Functional (Plasma) During Pregnancy

Antithrombin III is a protein that helps control blood coagulation. The protein stops certain enzymes from working, thus allowing blood to flow properly. ... read more »

Alpha-Tocopherol - Vitamin E (Serum) During Pregnancy

Vitamin E is a fat-soluble antioxidant found in any foods. The vitamin is also found in multivitamins and standalone vitamin E supplements. Patients who are deficient in vitamin E may suffer from edema or hemolytic anemia. Deficiency is rare. ... read more »

Cholesterol - LDL (Plasma, Serum) During Pregnancy

LDL or low-density lipoprotein is the unhealthy cholesterol everyone is trying to avoid. Cholesterol is necessary for optimal body functioning, but there needs to be a balance between healthy and unhealthy cholesterol. ... read more »

Factor V (Plasma) During Pregnancy

Factor V is just one of the many elements that work together for proper blood clotting. If blood does not clot correctly, a patient can bleed excessively from a simple cut, let alone a more serious injury or break in the skin.  ... read more »

Lactate Dehydrogenase - LDH (Serum) During Pregnancy

LDH is found in all tissues of the body so damage to tissues causes more LDH to release into the bloodstream and blood elevations rise. ... read more »

Protein S - Free (Plasma) During Pregnancy

There are two types of Protein S ' free and complex. Free Protein S is ready and available to bind to Protein C. Both proteins play an important part in coagulation or clotting. ... read more »

Apolipoprotein A-1 (Serum) During Pregnancy

APOB, or Apolipoprotein B is associated with LDL or bad cholesterol. Apolipoprotein A-1, or APOA1, is just the opposite. APOA1 levels reflect the amount of HDL, high density lipoprotein, in the blood. ... read more »

Uric Acid (Serum) During Pregnancy

Patients with high levels of uric acid may experience joint pain, which is also a symptom of gout. Doctors may order a uric acid blood test to verify a gout diagnosis. ... read more »

Cholesterol - Total (Plasma, Serum) During Pregnancy

Cholesterol is found in every human blood sample. Our bodies produce about ¾ of the cholesterol measured on blood tests. The remaining ¼ is consumed in food. ... read more »

Factor VII (Plasma) During Pregnancy

Factor VII aids the blood clotting process. There are several factors used in healthy clotting. Low or high levels of one or more of the factors can cause excessive bleeding and increase the risk of death from injury. ... read more »

Lipase (Serum) During Pregnancy

One of the enzymes found in blood that helps break down fats is called lipase. When lipase levels are normal, fats are broken down before they reach the intestine where the fats are absorbed into the body. ... read more »

Protein S Functional Activity (Plasma)

If a clotting event, such as deep vein thrombosis, has occurred or a pregnant patient is showing signs of preeclampsia, a series of protein blood tests may be ordered, including the Protein S Functional Activity test. ... read more »

Apolipoprotein B (Serum) During Pregnancy

Apolipoprotein B (APOB) is associated with LDL, low density lipoprotein, levels in the blood. LDL is most commonly known as bad cholesterol. When levels of APOB are higher than normal, plaque deposits tend to increase causing atherosclerosis. ... read more »

17-Hydroxyprogesterone (Serum) During Pregnancy

The blood test for 17-hydroxyprogesterone (17-OHP) is often used as a screening or monitoring tool for patients with congenital adrenal hyperplasia. In some cases the blood test is ordered as part of a series of tests to rule out certain medical conditions. ... read more »

Cholesterol - VLDL (Plasma, Serum) During Pregnancy

Cholesterol is more complex than many patients understand. While low-density lipoproteins (LDLs) and high-density lipoproteins (HDL) are the most common, very low-density lipoproteins (VLDL) are also part of total cholesterol. ... read more »

Factor VIII (Plasma) During Pregnancy

The clotting system of the human body is a complex process. Several Factors, including Factor VIII, play an important part in blood clotting. When any one of the Factors is not being produced at healthy levels, the clotting process can be impaired. ... read more »

Protein C Functional Activity (Plasma) During Pregnancy

Protein C is a glycoprotein that works directly with Protein S to regulate blood clotting. If thromboembolism or deep vein thrombosis has occurred, the Protein C Functional Activity test along with other protein-based blood tests will be ordered within 10 days of the event. ... read more »

24-Hour Protein Excretion (Urine) During Pregnancy

Protein excretion is the amount of protein excreted or passed out of the body in urine. Some excretion is normal, but excessive excretion can be a sign of something more serious. ... read more »

Complement - C3 (Serum) During Pregnancy

Complement C3 is also known as simply C3. This protein is a genetic part of the immune system. People with low levels of C3 may contract bacterial infections more often. C3 measurements on blood tests can be used to support or refute a particular diagnosis. ... read more »

Folate (Serum) During Pregnancy

Serum folate is simply the measurement of folate in blood serum. Folate is also known as folic acid or vitamin B. Low folate levels can cause fatigue and increase the risk of neural tube defects. ... read more »

Basophil Count (Whole Blood) During Pregnancy

Basophils are part of the body's immune system ' specifically white blood cells. During an inflammatory reaction, particularly a reaction caused by an allergen, basophils rush to the site and release heparin. ... read more »

3-Hour Glucose Tolerance Test GTT During Pregnancy

The 3-hour glucose tolerance test GTT is used during pregnancy to rule out or diagnose gestational diabetes. ... read more »

Complement - C4 (Serum) During Pregnancy

Complement C4 is part of the immune system. Closely related to Component C3, C4 is a genetic element coded during the earliest stages of life. ... read more »

Folate - Red Cell (Whole Blood) During Pregnancy

If you're experiencing anemia, your doctor will order a series of blood tests. The series of tests may include the red cell folate test ' most often if your red blood cells are larger than normal called macrocytic anemia. ... read more »

Prolactin (Serum) During Pregnancy

Prolactin is a hormone that originates in the pituitary gland. During and after pregnancy, the hormone stimulates the production of breast milk. It also plays an important role in menstruation, fertility and sex drive. ... read more »

Triglycerides (Serum) During Pregnancy

Triglycerides are a major fuel source of the body. Much of this fat is stored in body tissues for use as needed, but some continuously circulates throughout the body for immediate use by muscles. ... read more »

Bicarbonate (Serum) During Pregnancy

Bicarbonate works to buffer pH levels in the body. The buffer helps control pH so blood does not become acidic or basic. Carbon dioxide and bicarbonate are closely related as about 90% of carbon dioxide carried in blood exists as bicarbonate. ... read more »

Copper (Serum) During Pregnancy

When you think of a blood test you don't think of copper, but many complete blood screenings measure copper levels. If a patient shows symptoms of Wilson disease, a total copper test is ordered. ... read more »

Magnesium (Serum) During Pregnancy

Magnesium is consumed via food and excreted by the kidneys. The blood test is commonly ordered if calcium or potassium levels were lower than normal on a previous blood test. High and low magnesium levels could be a sign of an underlying problem. ... read more »