Sex and Energy for Women

Having low energy or worried about your sexual health? Discover the benefits and types of lab tests used to screen and diagnose conditions affecting women.

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Measurement of the levels of bilirubin is used in the diagnosis and treatment of liver, hemolytic, hematologic, and metabolic disorders, including hepatitis and gall bladder obstruction. The assessment of direct bilirubin is helpful in the differentiation of hepatic disorders. The increase in total bilirubin associated with obstructive jaundice is primarily due to the direct (conjugated) fraction. Both direct and indirect bilirubin are increased in the serum with hepatitis.

Increased CRP levels are found in inflammatory conditions including: bacterial infection, rheumatic fever, active arthritis, myocardial infarction, malignancies and in the post-operative state. This test cannot detect the relatively small elevations of CRP that are associated with increased cardiovascular risk.

A Complete Blood Count (CBC) Panel is used as a screening test for various disease states including anemia, leukemia and inflammatory processes.

A CBC blood test includes the following biomarkers: WBC, RBC, Hemoglobin, Hematocrit, MCV, MCH, MCHC, RDW, Platelet count, Neutrophils, Lymphs, Monocytes, Eos, Basos, Neutrophils (Absolute), Lymphs (Absolute), Monocytes(Absolute), Eos (Absolute), Basos (Absolute), Immature Granulocytes, Immature Grans (Abs)

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Cortisol is increased in Cushing's Disease and decreased in Addison's Disease (adrenal insufficiency). Patient needs to have the specimen collected between 7 a.m.-9 a.m.

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Cortisol is increased in Cushing's Disease and decreased in Addison's Disease (adrenal insufficiency).

Intrauterine or congenital CMV infections occur in 0.5 to 2.2% of all live births. Symptomatic congenital infections usually occur in infants born to nonimmune mothers who have primary infections during pregnancy. Latency and reactivation of CMV influence the interpretation of serological results. A single positive CMV IgG result is and indication of present or past infection. The presence of CMV IgM suggests a recent CMV exposure but does not differentiate between primary infection and reactivation.

DHEA-S is the sulfated form of DHEA and is the major androgen produced by the adrenal glands. This test is used in the differential diagnosis of hirsute or virilized female patients and for the diagnosis of isolated premature adrenarche and adrenal tumors. About 10% of hirsute women with Polycystic Ovarian Syndrome (PCOS) have elevated DHEA-S but normal levels of other androgens.

Epstein-Barr Virus (EBV) Antibody Panel

Includes: Epstein-Barr Virus VCA Antibody (IgM), Epstein-Barr Virus VCA Antibody (IgG), Epstein-Barr Virus Nuclear Antigen (EBNA) Antibody (IgG)

Clinical Significance: Primary infection by EBV causes infectious mononucleosis, usually a self-limiting disease in children and young adults. Infection with EBV can cause lymphoproliferative disorders including tumors. VCA-IgM is typically detectable at clinical presentation, then declines to undetectable levels within a month in young children and within 3 months in other individuals. VCA-IgG is typically detectable at clinical presentation, and persists for life. EBNA IgG typically appears during convalescence (3-4 months after clinical presentation) and remains detectable for life.

EBV-VCA IgG/IgM (viral capsid antigen): A positive IgG means you’ve had or currently have the infection; A positive IgM means the virus has been reactivated.

EBV-EBNA IgG (nuclear antigen): A positive test result is usually associated with past infections.

Reference Range(s)

Epstein-Barr Virus VCA Antibody (IgM)


  • <36.00 Negative
  • 36.00-43.99Equivocal
  • >43.99Positive

Epstein-Barr Virus VCA Antibody (IgG)


  • <18.00 Negative
  • 18.00-21.99Equivocal
  • >21.99Positive

Epstein-Barr Virus Nuclear Antigen (EBNA) Antibody (IgG)


  • <18.00 Negative
  • 18.00-21.99Equivocal
  • >21.99Positive

Alternative Name(s)

EBV Comprehensive,Infectious Mononucleosis Panel


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Measuring the circulating levels of estradiol is important for assessing the ovarian function and monitoring follicular development for assisted reproduction protocols. Estradiol plays an essential role throughout the human menstrual cycle. Elevated estradiol levels in females may also result from primary or secondary ovarian hyperfunction. Very high estradiol levels are found during the induction of ovulation for assisted reproduction therapy or in pregnancy. Decreased estradiol levels in females may result from either lack of ovarian synthesis (primary ovarian hypofunction and menopause) or a lesion in the hypothalamus-pituitary axis (secondary ovarian hypofunction). Elevated estradiol levels in males may be due to increased aromatization of androgens, resulting in gynecomastia.

IMPORTANT - Note this Estradiol test is not for children that have yet to start their menstrual cycle.  If this test is ordered for a child that has yet to begin their menstrual cycle Quest Diagnostics labs will substitute in Estradiol, Ultrasensitive LC/MS/MS - #30289 at an additional charge of $34

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Useful in the diagnosis of hypochromic, microcytic anemias. Decreased in iron deficiency anemia and increased in iron overload.

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FSH and LH are secreted by the anterior pituitary in response to gonadotropin-releasing hormone (GNRH) secreted by the hypothalamus. In both males and females, FSH and LH secretion is regulated by a balance of positive and negative feedback mechanisms involving the hypothalamic-pituitary axis, the reproductive organs, and the pituitary and sex steroid hormones. FSH and LH play a critical role in maintaining the normal function of the male and female reproductive systems. Abnormal FSH levels with corresponding increased or decreased levels of LH, estrogens, progesterone, and testosterone are associated with a number of pathological conditions. Increased FSH levels are associated with menopause and primary ovarian hypofunction in females and primary hypogonadism in males. Decreased levels of FSH are associated with primary ovarian hyper-function in females and primary hypergonadism in males. Normal or decreased levels of FSH are associated with polycystic ovary disease in females. In males, LH is also called interstitial cell-stimulating hormone (ICSH). Abnormal LH levels with corresponding increased or decreased levels of FSH, estrogens, progesterone, and testosterone are associated with a number of pathological conditions. Increased LH levels are associated with menopause, primary ovarian hypofunction, and polycystic ovary disease in females and primary hypo-gonadism in males. Decreased LH levels are associated with primary ovarian hyperfunction in females and primary hyper-gonadism in males.

Elevated GGT is found in all forms of liver disease. Measurement of GGT is used in the diagnosis and treatment of alcoholic cirrhosis, as well as primary and secondary liver tumors. It is more sensitive than alkaline phosphatase, the transaminases, and leucine aminopeptidase in detecting obstructive jaundice, cholangitis, and cholecystitis. Normal levels of GGT are seen in skeletal diseases; thus, GGT in serum can be used to ascertain whether a disease, suggested by elevated alkaline phosphatase, is skeletal or hepatobiliary.

A Hemoglobin (Hb) A1c Blood Test evaluates the average amount of glucose in the blood. The A1c test will help determine whether you are at a higher risk of developing diabetes; to help diagnose diabetes and prediabetes; to monitor diabetes and to aid in treatment decisions.

To assist with control of blood glucose levels, the American Diabetes Association (ADA) has recommended glycated hemoglobin testing (HbA1c) twice a year for patients with stable glycemia, and quarterly for patients with poor glucose control. Interpretative ranges are based on ADA guidelines.

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Elevated levels of homocysteine are observed in patients at risk for coronary heart disease and stroke.

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For diagnosis and monitoring of diabetes and insulin-secreting tumors.

Serum iron quantification is useful in confirming the diagnosis of iron-deficiency anemia or hemochromatosis. The measurement of total iron binding in the same specimen may facilitate the clinician''s ability to distinguish between low serum iron levels caused by iron deficiency from those related to inflammatory neoplastic disorders. The assay for iron measures the amount of iron which is bound to transferrin. The total iron binding capacity (TIBC) measures the amount of iron that would appear in blood if all the transferrin were saturated with iron. It is an indirect measurement of transferri

Lactate Dehydrogenase (LD) (LDH)

Elevations in serum lactate dehydrogenase occur from myocardial infarction, liver disease, pernicious and megaloblastic anemia, pulmonary emboli, malignancies, and muscular dystrophy

A lipid panel includes:Total cholesterol —this test measures all of the cholesterol in all the lipoprotein particles.High-density lipoprotein cholesterol (HDL-C) — measures the cholesterol in HDL particles; often called "good cholesterol" because it removes excess cholesterol and carries it to the liver for removal.Low-density lipoprotein cholesterol (LDL-C) — calculates the cholesterol in LDL particles; often called "bad cholesterol" because it deposits excess cholesterol in walls of blood vessels, which can contribute to atherosclerosis. Usually, the amount of LDL cholesterol (LDL-C) is calculated using the results of total cholesterol, HDL-C, and triglycerides.Triglycerides — measures all the triglycerides in all the lipoprotein particles; most is in the very low-density lipoproteins (VLDL).Very low-density lipoprotein cholesterol (VLDL-C) — calculated from triglycerides/5; this formula is based on the typical composition of VLDL particles.Non-HDL-C — calculated from total cholesterol minus HDL-C.Cholesterol/HDL ratio — calculated ratio of total cholesterol to HDL-C.

The methylmalonic acid (MMA) test may be used to help diagnose an early or mild vitamin B12 deficiency. It may be ordered by itself or along with a homocysteine test as a follow-up to a vitamin B12 test result that is in the lower end of the normal range.

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Pregnenolone is a chemical substance that is a precursor to all steroid hormones. This test measures the amount of pregnenolone in the blood in order to help detect rare forms of congenital adrenal hyperplasia (CAH).

Levels increase sharply during the luteal phase of the menstrual cycle. The level increases from 9 to 32 weeks of pregnancy.

  • CBC (includes Differential and Platelets)
  • Cortisol, A.M.
  • Estradiol
  • Ferritin
  • FSH and LH
  • Progesterone
  • T3, Free
  • T4, Free
  • Testosterone, Free, Bioavailable and Total, MS
  • Thyroid Peroxidase Antibodies
  • TSH
  • Vitamin B12 (Cobalamin)

A recent study showed women in the US feel tired 3.4 days out of the week. 

Low energy has a negative effect on many areas of a woman's life. She may have trouble staying awake at work or while she drives. The exhaustion may cause her to start feeling irritable, sad, or loopy. 

It may also begin to affect her sex drive. A low sex drive is a struggle for many women, and unfortunately, not many women set aside the time for a sexual health check. 

It's time to check in on yourself if you're a woman with little energy and sex drive. We've provided plenty of helpful information down below, including options for lab tests. 

What is Female Low Energy and Sex Drive?  

Due to many women feeling chronically fatigued, they'll start to notice a lower desire for sex. It's important to note that a decreased sex drive doesn't always indicate a decreased attrition to your partner, but it instead may indicate health issues. 

A low sex drive may look like not wanting to have sex as frequently with your partner as you did before or finding it more difficult to be aroused. You may also find yourself quickly losing interest during sexual activities you've previously enjoyed. 

Risk Factors of Female Low Energy and Sex Drive

There are several risk factors of a decreased energy level and sex drive in women. It's important to be aware of these factors, especially if you're experiencing concern regarding your sexual health. 

Not getting enough sleep and rest is a major risk factor for low energy. Create a strict schedule for yourself to get to bed on time in the evenings, and start shutting off screens an hour before it's time to sleep.

Do you enjoy going to the gym? Taking care of your physical health is great, but make sure you also give your body time to recover between workouts. Little recovery time may result in exhaustion.

Stress also plays a part in decreased energy. Feeling anxious and overwhelmed for long periods of time will drain your energy levels before you know it. 

Other risk factors include a poor diet and alcohol consumption.

Causes of Female Low Energy and Sex Drive 

One cause many women are unaware of is depression. Plenty of women struggle with mental health and depression, and it has a huge effect on their sexual health. In addition to taking a lab test, it's beneficial to reach out to a trained therapist. 

Have you checked in on your thyroid lately? An overactive thyroid can produce too many hormones, and this can cause extreme exhaustion. You may even have an underactive thyroid causing issues. 

A common cause of low energy and sex drive is heart-related conditions. Heart disease restricts the amount of blood being pumped through the body, causing fatigue.

What Are the Signs and Symptoms of Female Low Energy and Sex Drive?

It's imperative to monitor your health in order to address health issues impacting your life. Keep an eye out for these signs and symptoms of low energy and sex drive. 

Are you having trouble staying awake during the day, even if you had an adequate night of sleep? You may notice yourself frequently yawning or dozing off during your daily activities. 

Brain fog and confusion is also a major symptom of low energy. If you have trouble thinking as you work, your body may be telling you it needs rest. 

As far as a low sex drive, you may notice a lack of sexual fantasies or interest in sex. While having sex, a lack of engagement or pleasurable sensations also indicates a low sex drive. 

Many women find it helpful to speak to their partner or a trusted friend about their possible symptoms. Your friends may have noticed your lack of energy, and your partner may be concerned about your lack of engagement in the bedroom. 

How Is Female Low Energy and Sex Drive Diagnosed?

There is help available for those experiencing exhaustion and a low sex drive. The first step is a proper diagnosis. 

Schedule an appointment with your primary care physician. Explain the issues you're experiencing. They'll then decide which step is best to take next. 

Your doctor may ask a list of questions and follow specific guidelines to diagnose you with chronic fatigue, or they'll order a series of tests to screen things like your thyroid health, insulin levels, and heart health. 

Be transparent with your doctor about your low sex drive. There's nothing to be ashamed about. They'll advise you on how to improve your sex drive and may even suggest seeing a trained mental health professional or sex coach.

Lab Tests Used to Screen, Diagnose, and Monitor Female Low Energy and Sex Drive

As you perform your own female sexual health check, it's important to understand the possible causes of your low energy and sex drive. However, it's not always safe to self-diagnose. Taking a trusted lab test and speaking to a professional will give you clearer answers.

Multiple female low energy tests are available. 

Tests used to diagnose energy levels include a metabolic panel, an iron test, a thyroid test, a urinalysis, a T4 test, and a complete blood count (CBC) test. Your vitamin D and magnesium levels may be looked at to learn more. 

To monitor your sexual libido, you can test your estrogenprogesterone, and DHEA levels. An imbalance in hormones can cause a low sex drive. 

Seeing a gynecologist for a pelvic exam is also beneficial. They'll look for any major changes in your genital tissues and vaginal area. 

Frequently Asked Questions

If you have questions about sexual health or female energy lab testing, check out this short Q&A list.

Does testing hurt?

You shouldn't experience any major pain with blood and urine tests. However, some women experience slight discomfort with needles. 

Is It Expensive?

Tests from Ulta Lab Tests are extremely affordable and often cost less than going through your insurance and paying into your deductible.

How Can I Increase Arousal on My Own?

Work on developing your emotional intimacy with your partner. Improve your diet and sleep schedule. Explore your sexual fantasies, and set aside time for sexual activity with your partner. 

What You Need to Know About Low Energy and Sexual Health in Women

It's not uncommon for fatigue to affect the sexual health of women. Many females lose the desire for sex because they feel so exhausted during the day. 

Order your lab tests for low energy and sexual health today, and your results will be provided to you securely and confidentially online in 24 to 48 hours for most tests.

Take control of your health with Ulta Lab Tests today!