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Glossary of Terms
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| Ultrasound |
| A test used instead of X rays to visualize the reproductive organs; for example, to monitor follicular development and to examine the tubes and uterus. The instrument works by bouncing sound waves off the organs. A picture displayed on a TV screen shows the internal organs. Transvaginal ultrasound is used to guide embryo transfer catheter for perfect placement of embryos during IVF. Ultrasound is also often used to determine the precense of cysts on ovaries, a common symptom of Polycystic Ovary Syndrome. |
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| Unsaturated Fats |
| Fats, which include monounsaturated fats and polyunsaturated fats, are liquid at room temperature and come from plant oils such as olive, peanut, corn, cottonseed, sunflower, safflower, and soybean. These fats tend to lower the level of cholesterol in the blood. See also Fats. |
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| Uterine receptivity |
| The ability of the uterus to allow for an embryo to implant. Uterus is receptive only during the window of implantation, from six to ten days after ovulation. Markers of uterine receptivity, such as the b3 integrin, have been extensively researched by Dr. Castelbaum and colleagues. |
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| Uterine septum |
| Congenital uterine abnormality associated with recurrent pregnancy loss and breech pesentations. Septums are easily resected using a hysteroscope, in an outpatient surgery procedure. |
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| Uterus |
| The hollow, muscular organ that houses and nourishes the fetus during pregnancy. |
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