Menstrual Cycle

• How long is the menstrual cycle?

  About 28 days
• What day is ovulation?

  Day 14
• What is ovulation?

  Release of egg
• State the 4 hormones involved in the menstrual cycle

  • Oestrogen
  • Progesterone
  • LH
  • FSH
• What is the endometrium?

  The lining of the uterus
• What is the corpus luteum?

  Is produced from the follicle after ovulation and becomes a gland, secreting hormones
• Where is FSH produced?

  Pituitary gland
• Where is LH produced?

  Pituitary Gland
• Where is oestrogen produced?

  Follicle
• Where is progesterone produced?

  Corpus Luteum
• What does FSH do?

  Stimulates follicle production
• What does LH help with?

  Ovulation
• What does oestrogen do?

  Prepares the uterus for a fertilised egg by building up the spongy lining
• What does FSH stimulate?

  Oestrogen
• What do oestrogen and progesterone inhibit?

  FSH
• High oestrogen levels cause a surge of LH