Studies show that all of these issues can arise from lying in the supine position during late pregnancy, which can cause compression and obstruction of the inferior vena cava by the uterus.

[1] Symptoms of late pregnancy inferior vena cava syndrome consist of intense pain in the right hand side, muscle twitching, hypotension, and fluid retention.

[2] IVCS presents with a wide variety of signs and symptoms, making it difficult to diagnose clinically.

[citation needed] Treatment will vary depending on the cause of the vena cava compression or interruption.

[citation needed] Epidemiological data is elusive owing to the wide variety of clinical presentation.