A “normal” uterine cavity and endometrial lining is needed to conceive and maintain pregnancy.
A polyp is an overgrowth of tissue in the lining (endometrium) of the uterus. The concept is similar to that of a skin tag - basically normal tissue, but growing in an abnormal formation.
Many polyps are very small (a few millimeters in diameter) and do not represent a compromise to reproductive capabilities. However, large polyps – or multiple polyps – can interfere with reproduction by causing infertility, or by increasing risks for miscarriage.