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The events of the menstrual cycle are represented below. Answer the questions following the diagram.
(i)State the levels of FSH , LH and Progesterone simply by mentioning high or low , around 13th and 14th day and 21st to 23 rd day .
(ii)In which of the above mentioned phases does the egg travel to the fallopian tube ?
(iii)Why is there no menstruation upon fertilization ?
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(i)FSH and LH High and Progesterone low , FSH and LH Low and Progesterone high , (ii)Luteal phase , (iii)Uterine wall and blood vessels help maintain implanted embryo

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