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B
Isthmus of oviduct
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C
Fimbriae of oviduct
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D
None of the above
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Solution
The correct option is A Ampullary isthmic junction Ampullary isthmic junction is present midway between ovary and uterus. It is the site of fertilization in human females. After copulation, sperm travels through cervix and reaches ampullary isthmic junction. Egg released from ovary also reaches this place. If both egg and sperm reaches at this junction at the same time, there are strong chances of fertilization.