The menstrual cycle Flashcards
At the day 1-2 of the menstrual cycle there is?
Rise in FSH and a fall in progesterone and oestradiol
At the mid-follicular phase stage
oestrogen levels are increasing, feedback is negative and FSH is decreasing
What is a false statement about the events occurring in the mid-follicular phase?
There is an LH surge
What is a true statement about the luteal phase?
Corpus luteum only produces progesterone under the influence of relatively low levels of LH
The LH surge causes
Increased blood flow to the follicle
Withdrawal of cumulus cell projections from the egg
Increased progesterone production from granulosa cells via LH receptors
Decreased oestradiol production
At the time of ovulation the egg has
Completed the first meiotic division