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(a) Explain why non-occurrence of menstr...

(a) Explain why non-occurrence of menstrual cycle could be indicative of pregnancy.
(b) The menstrual cycle can be divided into 4 phases: menstrual phase, follicular phase, ovulation phase, luteal phase. During the follicular phase, hormones like FSH and LH are released in good amounts. State TWO events that are triggered by LH.

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