Menstrual cycle

Question 0

Follicular Phase

Answer 0

Day 1-13 Hypothalamus releases FSH releasing factor. Pituitary gland releases FSH which stimulates maturation of egg cell in a follicle to grow. Follicle releases oestrogen that causes the building up of endometrium

Question 1

Menstrual Phase

Answer 1

Days 1-5 Outerlayer of urterine wall the endometrium is shed

Question 2

Ovulation Phase

Answer 2

~~day 14. Lutenising Hormone LH is released by pituitary gland which causes ovulation. Follicle bursts releasing egg.

Question 3

Luteal Phase -

Answer 3

Day 15-18. Corpus luteun forms from follicle and produces oestrogen and progesterone. Egg stays in fallopian tube for ~24 hours. If egg is not fertilised it starts to disintegrate along with corpus luteum. Oestrogen and progesterone levels fall. FSH is released and the whole cycle starts again