Biology

Answer: B) Rupture of the fallopian tube, leading to internal bleeding

Explanation:

Correct option (B): If an ectopic pregnancy is not treated, the growing embryo can cause the fallopian tube to rupture, leading to severe internal bleeding, which can be life-threatening.

Incorrect option (A): While ectopic pregnancy is a cause of infertility, it does not increase the risk of miscarriage.
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