Dr. Donald R Coustan M.D.

Radiotherapy is a treatment that involves high-energy X-rays or particles, which kill cancerous cells. It is sometimes used to treat non-cancerous tumors. Studies have shown that almost half of people with cancer receive radiotherapy as a part of their treatment plan.The type of radiotherapy to be...

Endometriosis is a serious disease in which a woman tends to have an abnormal growth of the endometrial tissues outside the uterus. If you have any symptoms, you should see a doctor immediately. If you have pain during your period that is different than the previous cases, you can wait until the...

An overdue pregnancy is a pregnancy that continues for more than 42 weeks. Overdue pregnancy is also referred to as post-term or prolonged pregnancy. The cause of overdue pregnancy is still not known. There are cases where it’s because of genetic predisposition. Recurrence of overdue pregnancy is...

Fraternal twins definitionFraternal twins are commonly known as "non-identical twins" and can be simply defined as siblings who share the same womb but with different amniotic sacs and placentas. Biologically, they are said to be "dizygotic" meaning two different sperm cells fertilized two...

What is laparoscopy?Laparoscopy is a common procedure used for diagnosing and removing mild to moderate endometriosis. The surgeon puts a small viewing instrument known as laparoscope through a small abdominal cut. If more access is needed, the surgeon makes a small cut or two on the abdomen to...

It almost doesn't make evolutionary sense that a woman's body should have such a difficult time getting and staying pregnant. From the purely evolutionary standpoint, you would actually think the opposite: that a woman's body would make it very simple to get pregnant and to help the baby to safely...