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    Question

    The phase of menstrual cycle in which ovulation occurs

    is called:
    A Luteal phase Correct Answer Incorrect Answer
    B Follicular phase Correct Answer Incorrect Answer
    C Proliferative phase Correct Answer Incorrect Answer
    D Secretory phase Correct Answer Incorrect Answer

    Solution

    The follicular phase occurs before ovulation and involves the maturation of follicles under the influence of FSH and LH, leading to ovulation. The menstrual cycle consists of different phases: (i) Menstrual phase – Shedding of the endometrial lining. (ii) Follicular phase (Pre-ovulatory phase) – Follicles in the ovary mature under the influence of FSH (Follicle Stimulating Hormone). Rising estrogen levels lead to the thickening of the endometrium. Ovulation occurs around the 14th day when LH (Luteinizing Hormone) surges, causing the release of the egg from the dominant follicle. (iii) Luteal phase (Post-ovulatory phase) – The ruptured follicle forms the corpus luteum, which secretes progesterone to maintain the uterine lining. (iv) Secretory phase – A part of the luteal phase where the endometrium becomes highly vascularized to support possible implantation.

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