O22.3

Clinical Causes: Increased blood coagulability during pregnancy, which makes blood more prone to clotting Hormonal changes that affect blood flow and vessel walls Reduced mobility or prolonged bed rest, which can slow blood circulation Pressure from the growing uterus on pelvic veins, impeding normal blood flow Previous history of deep vein thrombosis or blood clotting disorders Obesity or overweight condition Certain medical conditions such as varicose veins or autoimmune disorders

Key Symptoms: Swelling in one leg, often sudden and noticeable Pain or tenderness in the affected leg, especially when standing or walking Warmth and redness over the area of the clot Discoloration of the skin, possibly turning pale or bluish Feeling of heaviness or fullness in the leg In some cases, no symptoms are present, making detection more challenging

Diagnosis Path: To confirm deep phlebothrombosis, healthcare providers may employ several diagnostic tools, including: - **Ultrasound imaging**: The primary and non-invasive method to visualize blood flow and detect clots. - **D-dimer blood test**: Measures a substance released when a blood clot breaks down; however, levels may be elevated during pregnancy for other reasons. - **Venography**: An imaging test where a contrast dye is injected into veins to highlight blockages, used less frequently due to its invasiveness. - **Magnetic Resonance Venography (MRV)**: An MRI-based technique providing detailed images without radiation exposure. Diagnosis is essential to determine the appropriate management plan and to prevent complications.

Treatment Protocols: Treatment aims to prevent the clot from growing and dislodging, while minimizing risks to both mother and fetus. Common approaches include: - **Anticoagulant therapy**: The mainstay of treatment involves blood-thinning medications such as low molecular weight heparin, which are considered safe during pregnancy. - **Monitoring**: Regular follow-up and blood tests to assess clot resolution and medication safety. - **Compression stockings**: Wearable stockings that help improve blood flow in the legs. - **Lifestyle modifications**: Encouraging mobility and avoiding prolonged standing or immobility. - **In severe cases** or if complications arise, hospital-based interventions may be necessary. Treatment duration varies, typically extending through pregnancy and sometimes postpartum, depending on individual risk factors and response.