Final answer:
Ectopic pregnancy occurs when a fertilized egg implants and grows outside the uterus, such as in the Fallopian tubes, cervix, or abdominal cavity. It's not a normal, viable pregnancy, and can be dangerous to the mother. The exception is the uterus, the standard place for a pregnancy to develop.
Step-by-step explanation:
Ectopic pregnancy is a condition where the fertilized egg implants and grows outside the main cavity of the uterus. The most common sites of ectopic pregnancies are the Fallopian tubes, the cervix, and the abdominal cavity. The exception is the uterus, which is the normal site for pregnancy. An ectopic pregnancy cannot proceed normally since the fertilized egg cannot survive and the growing tissue may destroy various maternal structures. Early treatment of ectopic pregnancy can help preserve the chance for future healthy pregnancies.
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