“PV” in a medical context for women most commonly refers to one of two things: a PV examination (short for “per vaginum,” meaning a pelvic exam) or polycythemia vera, a blood disorder that causes the body to produce too many red blood cells. Which meaning applies depends on whether you encountered the term on a medical report, heard it from a doctor during a checkup, or came across it while researching a diagnosis. This article covers both so you can identify which one applies to you.
PV as a Pelvic Exam
In clinical shorthand, “PV” stands for “per vaginum,” which simply means “through the vagina.” When a doctor writes “PV exam” in your chart, they’re referring to a standard pelvic examination. This is a routine physical check of your reproductive organs: the vulva, vagina, cervix, uterus, ovaries, and fallopian tubes. Your provider may also assess your bladder during the same exam.
A PV exam is part of regular preventive healthcare, but your doctor may also recommend one for specific reasons, including:
- Pelvic pain or pain during sex
- Unusual vaginal discharge or irregular bleeding
- A family history of ovarian or cervical cancer
- Checking for uterine fibroids or ovarian cysts
- Screening for sexually transmitted infections
- Pregnancy care
- Checking the placement of an IUD
If you saw “PV” on paperwork after a gynecology visit, this is almost certainly what it means. It’s not a diagnosis. It’s just the type of exam that was performed.
PV as Polycythemia Vera
If “PV” came up in the context of a blood test or hematology referral, it likely refers to polycythemia vera. This is a slow-growing blood cancer in which your bone marrow produces too many red blood cells. The excess thickens your blood, which raises the risk of dangerous clots, heart attacks, and strokes.
Polycythemia vera affects an estimated 44 to 57 per 100,000 people in the United States. It’s more common in adults over 60, and men develop it more frequently than women, though women are certainly diagnosed with it too.
Symptoms of Polycythemia Vera
Many people with PV have no noticeable symptoms at first. The condition is often caught incidentally through a routine blood test that shows an unusually high red blood cell count. When symptoms do appear, they can be easy to dismiss as minor annoyances.
Common symptoms include headaches, dizziness, blurred vision, and fatigue. One distinctive sign is intense itching after a warm bath or shower, which is caused by the abnormal blood cells releasing irritating compounds when skin temperature rises. You might also notice reddened skin (especially in the face and hands), numbness or tingling in your extremities, or a feeling of fullness after eating only a small amount of food. That fullness often comes from an enlarged spleen, which can also cause bloating or pain in the upper left side of your abdomen.
Other symptoms include unusual bleeding from the gums or nose, painful swelling in a joint (particularly the big toe, a sign of gout), shortness of breath when lying down, and bone pain.
How PV Is Diagnosed in Women
Doctors use specific blood thresholds to flag a possible PV diagnosis. For women, the key markers are a hemoglobin level above 16.5 g/dL or a hematocrit (the percentage of blood volume made up of red blood cells) above 56%. For comparison, the thresholds for men are higher: hemoglobin above 18.5 g/dL or hematocrit above 60%.
Nearly all people with polycythemia vera carry a specific gene mutation called JAK2. Testing positive for this mutation, combined with elevated blood counts, is typically enough to confirm the diagnosis. If your blood counts are elevated but fall just below those thresholds, your doctor may order additional testing to measure your red blood cell volume directly.
Blood Clot Risks and Complications
The biggest immediate danger of PV is blood clots. Thickened blood moves more slowly and is more prone to clotting, which can block blood flow to vital organs. Clots can form in arteries (leading to heart attacks or strokes) or in veins. One complication seen more often in PV patients than in the general population is Budd-Chiari syndrome, where clots block the veins draining the liver.
Over time, polycythemia vera can also lead to gout, kidney stones, and peptic ulcers. In some cases, the disease progresses to a “spent phase” where scar tissue builds up in the bone marrow, a condition called secondary myelofibrosis. At that point, the marrow can no longer produce enough blood cells of any type, leading to anemia and other blood disorders. A small percentage of patients eventually develop acute myeloid leukemia.
Treatment and What to Expect
The primary treatment for polycythemia vera is surprisingly straightforward: removing blood. Called phlebotomy, the procedure is similar to donating blood. A healthcare provider draws 250 to 500 milliliters of blood per session, initially every day or every other day, until your hematocrit drops below 45%. After that, maintenance sessions happen as often as needed to keep it there. That 45% target is the same for both men and women.
Most people also take low-dose aspirin daily to reduce clotting risk. If phlebotomy alone isn’t enough to control blood counts, your doctor may add medication to slow blood cell production in the bone marrow. The specific drug depends on your age, symptoms, and whether you’re planning a pregnancy.
PV and Pregnancy
Women with polycythemia vera can become pregnant, but the condition raises the stakes considerably. PV during pregnancy increases the risk of miscarriage, preeclampsia, placental abruption, restricted fetal growth, premature birth, and stillbirth. These risks are linked to microscopic blood clots forming in the placenta’s blood vessels, which can restrict blood flow to the developing baby. The presence of the JAK2 mutation appears to further elevate the risk of pregnancy loss.
During pregnancy, treatment relies on phlebotomy to keep the hematocrit below 45% and daily low-dose aspirin. One of the standard medications used outside of pregnancy is not safe for a developing baby and needs to be stopped at least three months before conception. For women considered at higher risk for clotting, doctors add a blood-thinning injection throughout pregnancy and the postpartum period. Later in pregnancy, phlebotomy sessions include fetal heart rate monitoring as a precaution.
Living With Polycythemia Vera
Recent estimates suggest that people live about 20 years after a PV diagnosis, though individual outcomes vary widely based on age at diagnosis, how well blood counts are controlled, and whether complications develop. Because PV is a chronic condition rather than one that can be cured, ongoing monitoring with regular blood tests is a permanent part of life after diagnosis. The goal of treatment is to keep blood thickness in a safe range, minimize symptoms, and reduce the chance of clots or disease progression.
For many women, PV is manageable. The phlebotomy sessions become routine, symptoms like itching and fatigue often improve once blood counts are controlled, and the risk of serious complications drops significantly with consistent treatment.