Saturday, 23 February 2013

3.9 understand the roles of oestrogen and progesterone in the menstrual cycle

The menstrual cycle
Oestrogen and progesterone are both hormones which effect the menstrual cycle.
Oestrogen: produced in the ovaries; thickens the womb lining; prompts the release of LH.
Progesterone: produced in the corpus lutiem; maintains the lining of the womb
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8 comments:

  1. Unknown31 December 2016 at 05:30

    This comment has been removed by the author.

    ReplyDelete
  2. Unknown20 April 2017 at 11:26

    What does LH mean???

    ReplyDelete
    Replies
    1. Unknown30 December 2017 at 11:30

      Did you find out? I'm confused too.

      Delete
    2. Unknown17 March 2018 at 03:35

      This comment has been removed by the author.

      Delete
    3. Unknown20 March 2018 at 12:56

      Luteinizing hormone
      an acute rise of LH triggers ovulation and development of the corpus luteum

      Delete
  3. Unknown20 April 2017 at 11:29

    Nevermind

    ReplyDelete
  4. Mike Tsang26 June 2017 at 03:27

    The Biology Syllabus has changed…

    Here is a New blog for the 2017 Syllabus:

    http://igcse-biology-2017.blogspot.hk

    ReplyDelete
  5. SophieRice26 June 2017 at 18:50

    more at

    http://igcse-biology-notes.blogspot.hk/2017/06/39-understand-roles-of-oestrogen-and.html

    ReplyDelete

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