Menstrual Cycle

• 4 Phases of Menstrual Cycle

  1. Menstruation Phase / Flow Phase
  2. Follicular Phase
  3. Ovulation Phase
  4. Luteal Phase
• Onset of menstruation occurs between 11-15

  Menarche
• No more egg cells in ages between 45-55

  Menopause
• Ovarian Hormone

  Estrogen and Progesterone
• Pituitary Gland

  Follicle-Stimulating Hormone and

  Lutenizing Hormone
• Ovary releases an egg cell every?

  28 days
• Day 1 - 5


  Menstruation Phase
• These are hormones released from the ovaries and act on the uterus to prepare for pregnancy.

  Ovarian Hormones
• This hormone thickens uterine lining,

  Estrogen
• This hormone inhibits FSH and LH in most of the cycle.

  Estrogen
• This hormone stimulates FSH and LH release before ovulation period.

  Estrogen
• This hormone thickens uterus.

  Progesterone
• Recurring changes that occur within the female reproductive system to make pregnancy possible.

  Menstrual Cycle
• Menstrual cycle averages, in how many days?

  28 days
• Process in which blood and other tissues are shed from the uterus and leave the body through vagina.

  Menstruation