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

Creatine Kinase - Total (Serum) During Pregnancy

Creatine kinase (CK) levels are tested if heart damage is expected. When a patient present with symptoms of a heart attack, diagnostic testing begins, including a complete series of blood tests. ... read more »

Testosterone - Total (Serum) During Pregnancy

Testosterone is a hormone generally associated with the differentiation between men and women. Testosterone levels are higher in men than women. ... read more »

Calcium - Ionized (Serum) During Pregnancy

Ionized calcium is the free calcium running through the body in blood. Calcium is used by all cells to complete the work they do in the body. In order for cells to access the calcium they need, the free calcium must move to the cells, thus levels in the blood. ... read more »

Sex Hormone Binding Globulin (Serum) During Pregnancy

The test for sex hormone binding globulin (SHBG) levels is typically reserved for men. The globulin binds to androgens, or hormones found in men. As men age, testosterone levels tend to fall dramatically, leading to reduced muscle tone, sex drive and energy. ... read more »

Immunoglobulin M (IgM) (Serum) During Pregnancy

Immunoglobulin M (IgM) is not as predominant as Immunoglobulin A (IgA) or Immunoglobulin G (IgG), but it is a larger antibody in size. IgM is the first antibody to respond to when an antigen or foreign substance is detected in the body. ... read more »

Cholesterol - HDL (Plasma, Serum) During Pregnancy

HDL (high-density lipoprotein) is a type of cholesterol often referred to as good cholesterol. Total cholesterol is made up of several types of cholesterol, but all fall into two main categories ' HDL and low-density lipoprotein (LDL). ... 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 »

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 »

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 »

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 »

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 »

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 »

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 »

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 »

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 »

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 »

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 »

Cortisol (Plasma, Serum) During Pregnancy

Cortisol is a steroid hormone. The hormone is produced by and released from the adrenal gland. Cortisol levels increase in blood if a patient is taking estrogen or certain steroid medications. ... read more »

Total Iron-Binding Capacity - TIBC (Serum) During Pregnancy

TIBC or total iron-binding capacity is a blood test ordered when a patient is thought to have high or low iron levels. If iron levels are higher than normal, TIBC levels will be low. If iron levels are lower than normal, TIBC levels will be high. ... read more »

Glucose - Fasting (Plasma) During Pregnancy

Fasting glucose is a blood test that requires the patient skip food for at least 12 hours prior to the test. Typically, the test is administered first thing in the morning so the patient can stop about bedtime for the test the following morning. ... read more »

Low Neutrophil Count During Pregnancy

The main function of neutrophils is to fight off fungal or bacterial infections. Neutrophil levels appear abnormal on the white blood count test if there is a condition affecting the immune system. ... read more »

Osmolality (Serum) During Pregnancy

The osmolality test measures the body's ability to make urine, control urine and control water or fluid balance in blood. The most common cause for ordering the osmolality test is low blood sodium levels. ... read more »

Protein S - Total (Plasma) During Pregnancy

Protein S is a type of protein closely associated with vitamin K and clotting. The protein, or specifically glycoprotein, works hand-in-hand with Protein C. ... read more »

Retinol - Vitamin A (Serum) During Pregnancy

Vitamin A consumed from animal sources is known as retinol. Retinol is associated with vision, epithelial cells and synthesis of glycoproteins. Retinol deficiency is rare, especially in developed countries. ... read more »

Prealbumin - Transthyretin (Serum) During Pregnancy

The names prealbumin and transthyretin are interchangeable. The test is used to measure the amount of available protein in the body. Critical or chronic illness can cause a decrease in consumed or metabolized dietary protein leading to protein malnutrition. ... read more »

Thyroxine-Binding Globulin (TBG) (Serum) During Pregnancy

Thyroxine-binding globulin (TGB) is a protein that aids in thyroid function. The protein transports hormones produced in the thyroid to all parts of the body. TGB levels will increase during a pregnancy, so elevated numbers may be an indication of pregnancy. ... 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 »

Bilirubin - Conjugated, Direct (Serum) During Pregnancy

Bilirubin is a familiar word to new mothers. If bilirubin is not excreted by livers cells, the skin and eyes can take on a yellow color due to the pigment in bilirubin. This condition is known as jaundice. ... read more »

Creatinine (Plasma, Serum) During Pregnancy

Creatinine is responsible for breaking down creatine, which is used by the muscle for growth and recovery. The creatinine blood test does is used to assess kidney health. ... read more »

Hemoglobin (Whole Blood) During Pregnancy

Hemoglobin plays a very important role in oxygen transportation. When the lungs have finished oxygenating blood, hemoglobin carries that oxygen to all the tissues of the body. ... read more »

Aldosterone (Serum or Plasma) During Pregnancy

Aldosterone is a steroid hormone found in the adrenal gland. The steroid works to control potassium and sodium ' having a direct impact on blood pressure. Patients with high blood pressure may be given medications to alter how aldosterone works in the body. ... read more »

Bilirubin - Unconjugated, Indirect (Serum) During Pregnancy

Bile contains an orange pigment known as bilirubin. The liver cells are supposed to excrete this pigment after heme is broken down and biliverdin is reduced (processes of the liver), but that excretion does not always occur. ... read more »

Hematocrit Levels During Pregnancy

When a complete blood count (CBC) is ordered, hematocrit levels are included in the series of blood tests. Hematocrit levels represent red blood cell volume in the given blood sample. ... read more »

Calcium - Total (Serum) During Pregnancy

Calcium is a mineral consumed in food and supplements. The mineral is stored bones where it is used to promote strength and support changes and growth throughout life. There is also free calcium in blood used by cells during normal cellular function. ... read more »

Eosinophil Count (Whole Blood) During Pregnancy

Eosinophils are white blood cells that are activated to fight off infections and some allergic diseases. The eosinophil count on a blood test is indicative of current immune system activity. ... read more »

Ceruloplasmin (Serum) During Pregnancy

Ceruloplasmin is a protein that contains copper. Blood tests for ceruloplasmin are often ordered if patients show signs of Wilson Disease. Common symptoms include jaundice, tremors, fatigue and anemia. ... read more »

Parathyroid Hormone (Serum) During Pregnancy

The parathyroid hormone helps regulate the amount of phosphorus and calcium in the fluid that surrounds human cells. The human body produces the parathyroid prohormone, which is matured and excreted into the blood stream with 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 »

Cobalamin - Vitamin B12 (Serum) During Pregnancy

Cobalamin is vitamin B12. A vitamin B12 blood test is often used to diagnose certain types of anemia, malnutrition and vitamin malabsorption conditions. ... read more »

D-dimer (Plasma) During Pregnancy

The D-dimer blood test is part of a series of diagnostic tools used to rule out or verify thrombosis. There are multiple types of thrombosis and each presents a different set of symptoms, though some symptoms overlap. ... read more »

Immunoglobulin G (IgG) (Serum) During Pregnancy

Immunoglobulin G (IgG) is part of the immune system response found in blood. If an infection, toxin or foreign body of any kind is detected in the blood stream, the body reacts by pushing IgM (Immunoglobulin M) to the area affected. ... read more »

Erthropoietin (Serum) During Pregnancy

Erythropoietin (EPO) is a hormone crucial in the formation of red blood cells. The hormone talks to bone marrow stem cells telling them to produce red blood cells. ... read more »

Angiotensin Converting Enzyme (Serum) During Pregnancy

Angiotensin Converting Enzyme (ACE) helps control the fluid balance outside of cells. In a clinical setting, high levels of ACE may be measured if a patient has high blood pressure, diabetes (type 1) or heart failure. ... read more »

Chloride (Plasma, Serum) During Pregnancy

Chloride is an electrolyte that helps control fluid balance between the interior and exterior of cells. Electrolytes also affect blood pressure, blood volume and the acid/base of bodily fluids. ... read more »

Iron (Serum) During Pregnancy

The serum iron test simply measures the amount of iron in the blood. Iron is needed to produce red blood cells. The body will store excess iron for use when food sources of iron don't provide enough during any given period. ... 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 »

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 »

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 »

Transferrin (Serum) During Pregnancy

In terms of blood testing, the transferring and TIBC test measure the same thing ' though the tests are different. Transferrin is a protein that transports iron through the blood stream. TIBC, on the other hand, measures iron ready for binding to transferrin. ... read more »