In plain words
Deep vein thrombosis, or DVT, is a blood clot in a deep vein, usually in the calf or thigh. Pregnancy and the weeks after birth raise the risk, because blood clots more easily and veins are under pressure. The most common sign is swelling in one leg, often with pain, tenderness, or warmth. Both legs swelling evenly is more often ordinary pregnancy or postpartum swelling. A clot that travels to the lungs is an emergency. Sudden shortness of breath, chest pain, or coughing blood means calling 911. One-leg symptoms mean calling a provider the same day. A mother is not diagnosed from a description alone. A scan is the usual test. Early care matters, and most mothers who have a clot treated promptly recover well.
The deeper version
DVT in pregnancy and the puerperium is the commonest presentation of , with incidence roughly one to two per thousand pregnancies and the highest risk in the early postpartum weeks. The RCOG Green-top Guideline 37a (2015) and ACOG Practice Bulletin 196 (2018) describe risk assessment through factors such as , age, obesity, immobility, and prior clotting history. is the first-line test for suspected proximal DVT, and has limited specificity in pregnancy. Treatment with anticoagulation is standard for confirmed DVT, with agent choice guided by pregnancy and breastfeeding considerations. Controversy persists around thromboprophylaxis after vaginal birth in women with few risk factors, where guidelines differ.
Where it comes up
- Blood clots: the signs to knowPostpartum: Your Body
- Swelling after birthPostpartum: Your Body
- Swelling: feet, ankles, hands, facePregnancy: Your Body
- Travel during pregnancyPregnancy: Mind and Life
- Varicose veins and leg crampsPregnancy: Your Body
What mothers here say about deep vein thrombosis
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Sources
- Royal College of Obstetricians and Gynaecologists — Green-top Guideline 37a: Thromboprophylaxis during pregnancy, labour and after vaginal delivery, 2015
- American College of Obstetricians and Gynecologists — Practice Bulletin 196: Thromboembolism in Pregnancy, 2018