http://www.rmanj.com/newsite/index.asp?Loc=4&SubLoc=24
"Adhesions are often a cause of infertility. If they form inside or around the ends of the fallopian tubes, they may block an egg and sperm from meeting. If the tubes are partially blocked by adhesions, sperm may meet the egg, but the fertilized embryo may be trapped, resulting in an ectopic pregnancy. Adhesions that develop on the ovaries may disrupt ovulation, and those that develop inside the uterus may prevent a fertilized egg from implanting properly."
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