Menstrual cycle

• What is FSH?

  (Follicle-stimulating hormone) from pituitary gland causes an egg to mature, and the ovaries produce oestrogen.
• What is Oestrogen?

  causes uterus lining to thicken, and it inhibits FSH so no more eggs mature till the next cycle, it also causes the pituitary gland to secrete LH.
• what is LH?

  (Luteinising Hormone) causes the egg to be released, which start to travel toward the uterus a sperm cell can fertilise it while in oviduct.
• What is progesterone?

  Secreted by the ovaries maintains the uterus lining.
• these are the locations of oviduct ovary and uterus: