The ovarian vein, the female gonadal vein

Gonadal vein

In medicine, gonadal vein refers to the blood vessel that carrying blood away from the gonad toward the heart.* Females : ovarian vein* Males : testicular vein...

, carries deoxygenated blood from its corresponding ovary to inferior vena cava

Inferior vena cava

The inferior vena cava , also known as the posterior vena cava, is the large vein that carries de-oxygenated blood from the lower half of the body into the right atrium of the heart....

 or one of its tributaries. It is the female equivalent of the testicular vein

Testicular vein

The testicular vein , the male gonadal vein, carries deoxygenated blood from its corresponding testis to the inferior vena cava or one of its tributaries...

, and is the venous counterpart of the ovarian artery

Ovarian artery

In human anatomy, the ovarian artery is a blood vessel that supplies oxygenated blood to the ovary. It arises from the abdominal aorta below the renal artery, and does not pass out of the abdominal cavity. It can be found in the suspensory ligament of the ovary, anterior to the ovarian vein and...

. It can be found in the suspensory ligament of the ovary

Suspensory ligament of the ovary

The suspensory ligament of the ovary, also infundibulopelvic ligament , is a fold of peritoneum that extends out from the ovary to the wall of the pelvis....

.

It a paired vein, with one supplying each ovary.

• The right ovarian vein travels through the suspensatory ligament of the ovary and generally joins the inferior vena cava
  Inferior vena cava
  The inferior vena cava , also known as the posterior vena cava, is the large vein that carries de-oxygenated blood from the lower half of the body into the right atrium of the heart....
  
  .
• The left ovarian vein, unlike the right, often joins the left renal vein
  Renal vein
  The renal veins are veins that drain the kidney. They connect the kidney to the inferior vena cava.It is usually singular to each kidney, except in the condition "multiple renal veins".It also divides into 2 divisions upon entering the kidney:...
  
   instead of the inferior vena cava.

Pathology

Thrombosis

Thrombosis

Thrombosis is the formation of a blood clot inside a blood vessel, obstructing the flow of blood through the circulatory system. When a blood vessel is injured, the body uses platelets and fibrin to form a blood clot to prevent blood loss...

 of ovarian vein is associated with postpartum endometritis

Endometritis

Endometritis refers to inflammation of the endometrium, the inner lining of the uterus. Pathologists have traditionally classified endometritis as either acute or chronic: acute endometritis is characterized by the presence of microabscesses or neutrophils within the endometrial glands, while...

, pelvic inflammatory disease

Pelvic inflammatory disease

Pelvic inflammatory disease is a generic term for inflammation of the uterus, fallopian tubes, and/or ovaries as it progresses to scar formation with adhesions to nearby tissues and organs. This may lead to infections. PID is a vague term and can refer to viral, fungal, parasitic, though most...

, diverticulitis

Diverticulitis

Diverticulitis is a common digestive disease particularly found in the large intestine. Diverticulitis develops from diverticulosis, which involves the formation of pouches on the outside of the colon...

, appendicitis

Appendicitis

Appendicitis is a condition characterized by inflammation of the appendix. It is classified as a medical emergency and many cases require removal of the inflamed appendix, either by laparotomy or laparoscopy. Untreated, mortality is high, mainly because of the risk of rupture leading to...

, and gynecologic surgery.