Puberty and the Menstrual cycle

• What are the characteristics for male`s puberty?

  • testosterone produces in testes
  • hair growth on body/face/pubic areas
  • sperm production
  • sexual organs growth and develop
  • shoulders get wider
  • voice breaking
• What are the characteristics of female`s puberty?

  • oestrogen and progesterne are produced in ovaries
  • hair growth on body/pubic areas
  • ovaries strat to release eggs
  • hips get wider
  • breasts develop
  • menstruation starts
• What happens during day 1-5 of menstrual cycle?

  the lininf of the womb breaks down and is lost during a menstruation
• What happens uring day 5-14 of menstruation?

  An egg matures in ovaries and the lining of the uterus begins to thicken
• What happens during day 14-16 of menstrual cycle?

  Egg gets released and travelsinto oviduct. It is called an ovulation
• What happens during day 16-28 of menstrual cycle?

  Arrival of the egg into the uterus, the fertilisation may occur
• What happens at day 28 of menstrual cycle?

  if there is no implantation, lining breaks down again and cycle restarts
• What does FSH stand for?

  Follicle-stimulating hormone.
• Where does FSH produced?

  In pituitary gland
• What does FSH do?

  Causes and egg to mature in one of the ovaries and stimultes ovaries to produce oestrogen
• Whare does oestrogen produced?

  In the ovaries
• What does oestrogen do?

  Causes the lining of uterus to thicken and stimulates the release of LH and inhibits the release of FSH
• What does LH stand for?

  Luteinizing Hormone
• Where is LH produced?

  In the pituitary gland
• What does LH do?

  Stimulates the release of an egg at day 14 and causes ovulation
• Where is progesterone produced?

  Ovaries by the remains of the follicle after ovulation
• What does progesterone do?

  Maintain uterus lining thickened and inhibits the release of LH
• If the egg is not fertilised/ fertilised the levels of oestrogen and progesterone fall/ remain high