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Bond [772]
3 years ago
14

The surge in luteinizing hormone that occurs during the middle of the ovarian cycle triggers

Biology
1 answer:
avanturin [10]3 years ago
4 0
<h2>Ovulation   </h2>

Explanation:

In women, luteinizing hormone carries out different roles in the two halves of the menstrual cycle

  • In week one to two of the cycle, luteinizing hormone is required to stimulate the ovarian follicles in the ovary to produce the female sex hormone, oestradiol
  • Around day 14 of the cycle, a surge in  luteinizing hormone levels causes the ovarian follicle to tear and release a mature oocyte (egg) from the ovary, a process called ovulation
  • For the remainder of the cycle (weeks three to four), the remnants of the ovarian follicle forms a corpus luteum
  • Luteinizing hormone stimulates the corpus luteum to produce progesterone, which is required to support the early stages of pregnancy, if fertilization occurs
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