Some people who carry Leiden's fifth factor may not know it. If there are any signs, the first is usually a blood clot in a certain part of the body. . Depending on the location of the blood clot, it can be very mild or life-threatening.

Thrombosis symptoms include:

•Pain

•Redness

•Swelling

•Fever

•Deep vein thrombosis (deepveinclot, DVT) is common in the lower extremities with similar symptoms but more severe swelling.

Blood clots enter the lungs and cause pulmonary embolism, which can damage the lungs and may be life-threatening. Symptoms include:

•Chest pain or discomfort, usually aggravated by deep breathing or coughing

•Hemoptysis

•Difficulty breathing

•Increased heart rate or arrhythmia

•Very low blood pressure, dizziness or fainting

•Pain, redness and swelling

•Deep vein thrombosis of lower extremities Chest pain and discomfort

•Difficulty breathing

•Pulmonary embolism

 

 Leiden Fifth Factor also increases the risk of other problems and diseases

•Deep vein thrombosis: refers to the thickening of blood and the formation of blood clots in the veins, which may appear on any part of the body, but usually only on one leg. Especially in the case of long-distance flight and other long-distance sitting for several hours.

•Pregnancy problems: Women with Leiden's fifth factor are two to three times more likely to have a miscarriage in the second or third trimester of pregnancy. It may occur more than once, and it also increases the risk of high blood pressure during pregnancy (doctors may call it pre-eclampsia or premature separation of the placenta from the uterine wall (also known as placental abruption). Leiden fifth factor can also cause The baby grows slowly.

•Pulmonary embolism: The thrombus breaks away from its original location and allows blood to flow into the lungs, which may hinder the heart from pumping and breathing.