reproductive system

• The ovaries secrete oestrogen and progesterone
• The testes secrete testosterone
• The pituitary gland secretes FSH and LH, which both target the ovary
• Progesterone is released by the follicles in the ovary
• Oestrogen is released by the corpus luteum in the ovary
• Progesterone and Oestrogen target the uterus lining
• What is ovulation?

  Releases an egg halfway through menstruation
• Which hormone causes ovulation?

  LH
• What ovarian hormone rises after ovulation?

  progesterone
• WHat does progesterone do?

  creates uterus lining
• What causes progesterone levels to fall?(egg isn't fertalised)

  corpus luteum breaking down
• Which hormone starts the menstrual cycle?

  FSH
• What does LH stand for

  luteneising hormone
• what does FSH stand for

  follical stimulating hormone
• What does the combined pill contain

  progesterone and oestrogen
• Why do the combined pills have lower levels of oestrogen

  Side effects
• Are there progesterone only pills?

  Yes
• Side effects of combined pill

  headaches, nausea, irregular bleeding
• What do implants release

  progesterone
• how long can an implant last for

  up to 5 years
• what do injections contain and how long do they last for

  progesterone. last for 2-3 months
• progesterone inhibits FSH and LH
• Progesterone stimulates the production of thick cervical mucus
• Oestrogen in high levels can stop FSH production
• Platic IUDs release progesterone
• Copper IUDs prevent sperms surviving in the cervix/womb
• Vasectomy prevents sperm from leaving the male
• IVF stands for in vitro fertalisation
• How are eggs fertalised in IVF

  sperm sample
• what does PGD stand for

  pre-implantation genetic diagnosis
• which hormone inhibits FSH?

  progesterone
• which hormone causes egg maturation?

  FSH
• which hormone stimulates an egg to be released?

  LH