Hormones

View mindmap
  • Hormones and Their Uses
    • As contraceptives
      • the contraceptive pill
        • more than 99% effective
        • can reduce risk of some cancers
        • does not protect against STIs
        • side effects
      • condoms
        • 98% effective
        • protect against STIs
        • can break/go out of date
        • can only be used once
    • In the menstrual cycle
      • LH
        • causes release of egg
      • oestrogen
        • causes pituitary to produce LH
      • FSH
        • stimulates oestrogen production
      • progesterone
        • progesterone creates a thick mucus to be produced at the cervix
    • Infertility
      • ethical
        • when is an embryo a person?
      • economical
        • costs a lot, NHS provide three rounds
      • social
        • twins/triplets more likely
      • IVF stimulates egg production
        • collected at once
          • fertilised outside of body
            • form embryo, inserted into uterus

Comments

No comments have yet been made

Similar Biology resources:

See all Biology resources »See all Nervous system, hormones and behaviour resources »