Introduction:

Inferior vena cava thrombosis is infrequent during pregnancy, although it has high morbidity and mortality.

Objective:

To describe the clinical manifestations and diagnosis of a pregnant with inferior vena cava thrombosis.

Clinical case:

Is presented an 18-year-old overweight patient with a history of hormonal contraception, with 8 weeks of gestation, who presented increased volume and pain in the lower right limb. She was diagnosed with thrombosis of the inferior vena cava by Doppler ultrasound and treated with heparin. The thrombosis spread to the lower left limb, with high risk for the mother and the fetus. Low molecular weight heparin therapy and elastic compression were continued. Hematological studies were positive for the V3XL factor XIII mutation in a homozygous state. The patient evolved without complications and was discharged with low molecular weight heparin treatment.

Conclusion:

Thrombosis of the inferior vena cava should be suspected, although it is considered a challenge for the medical team. The choice of the most appropriate treatment depends on each individual patient.

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