2.3 - Hormones and the menstrual cycle Flashcards
Which hormones control the menstrual cycle?
- FSH
- Oestrogen
- LH
What is FSH an acronym of?
Follicle stimulating hormone
Where is FSH made?
The pituitary gland
What two things does FSH cause in the menstrual cycle?
- The egg to mature
- Oestrogen to be produced
What is oestrogen produced by?
The ovaries
What three things does oestrogen do in the menstrual cycle?
- Inhibits (stops) further production of FSH
- Stimulates LH to be produced
- Stimulates the womb lining to develop
What is LH an acronym of?
Luteinising hormone
Where is LH made?
The pituitary gland
What does LH do in the menstrual cycle?
Stimulates the mature egg to be released from the ovary (ovulation)
How long does the menstrual cycle take?
28 days
When in the menstrual cycle does ovulation take place?
14 days into the cycle
Describe the full process of the production and jobs of the hormones in the menstrual cycle (7)
- FSH is produced
- FSH causes the egg to mature
- FSH causes oestrogen to be produced
- Oestrogen inhibits further production of FSH
- Oestrogen stimulates the womb lining to develop
- Oestrogen stimulates the production of LH
- LH stimulates the mature egg to be released from the ovary (ovulation)