why fertilisation occurs once in a month..pls explain me in simple way don't copy from google plss btado koi
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Only one ovum is released each month in human females, around 14th day of menstrual cycle. If fertilization takes place, all the activities of menstrual cycle stop. Hence, fertilization can occur only once in a month in a human female.....
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In human beings, one egg is released from either of the ovaries once in a month. The egg is transferred to the fallopian tube from the ovaries. Sperms swim up to the fallopian tube. Only one sperm is able to penetrate the egg. That is how fertilization takes place.
A menstrual cycle is composed of about 28 days. This means only one egg is available for fertilization in one menstrual cycle. Hence, it can be said that fertilization can occur only once In a month.
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