biology - human reproduction

• What hormones are contained in the pill?

  Oestrogen and progesterone
• How does the pill prevent pregnancy?

  It prevents FSH production
• What does the patch contain?

  Oestrogen and progesterone
• What does the implant release?


  Progesterone
• What does a copper or plastic IUD do?

  Kills sperm
• How do condoms prevent pregnancy?

  They prevent sperm from reaching the egg
• What is the function of a female condom?

  Works the same way as male condoms
• What does a diaphragm combined with spermicide do?

  Provides a barrier and kills sperm
• What are permanent methods of contraception?

  Female or male sterilization
• What is abstinence?

  Choosing not to engage in sexual activity
• How can hormones encourage reproduction?

  By increasing egg maturity and release
• What hormones are administered to increase egg maturity?

  FSH and LH
• What is a downside of hormone treatments for reproduction?

  They are expensive and not always effective
• What can result from hormone treatments for reproduction?

  Multiple births like twins or triplets
• What does IVF stand for?

  In vitro fertilization
• What hormones are administered during IVF?

  FSH and LH
• What happens to the eggs and sperm during IVF?

  They are fertilized outside the body
• How many fertilized eggs are typically grown in IVF?

  Three fertilized eggs
• What is done with the fertilized eggs after they are grown?

  They are reimplanted into the uterus
• What is the success rate of IVF?


  26% success rate
• What are some challenges associated with IVF?

  Emotional and physical stress
• What is a downside of IVF?

  It is expensive
• what does FSH do?

  causes egg to mature by producing oestrogen
• what does oestrogen do?

  causes uterus lining to thicken and stops FSH production so no more eggs will mature until next cycle
• what does LH do?

  causes egg to released from ovaries
• what does progesterone do?

  secreted by ovaries to maintgain uterus lining
• how does the pill work?

  inhibits FSH production so no eggs mature by containing oestrogen
• how does the injection/implant work?

  stops egg release by containing progesterone