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1 mark

Which of the following hormone levels will cause release of ovum (ovulation) from the graffian follicle?

  1. A
    High concentration of Estrogen
  2. B
    High concentration of Progesterone
  3. C
    Low concentration of LH
  4. D
    Low concentration of FSH

Solution & Step-by-step Explanation

Ovulation is triggered by a surge in LH (Luteinizing Hormone). However, this LH surge is itself triggered by a high concentration of Estrogen produced by the maturing Graafian follicle. Among the choices, high estrogen is a key hormonal prerequisite for the LH peak.Shutterstock Explore

Practice this question

Try it yourself before checking the explanation above.

Which of the following hormone levels will cause release of ovum (ovulation) from the graffian follicle?
A
High concentration of Estrogen
B
High concentration of Progesterone
C
Low concentration of LH
D
Low concentration of FSH

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Human ReproductionMenstrual Cycle

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