Unit 7 Flashcards
(17 cards)
Which hormone does corpus luteum produce
Progesterone
Which stage in the uterine cycle does proliferation phase occur?
Days 5-14 (after menses)
Where is FSH and LH produced?
Anterior pituitary
At which point in the uterine cycle is a woman most fertile?
Days 9-16 - from 5 days before ovulation to 1-2 days after
Which symptoms show a woman is about to ovulate?
Increase in basal body temperature - due to LH surge
Thinning of cervical mucus
Which stage does the secretory phase occur in the uterine cycle?
Days 14-28
Which layer of the endometrium is shed during menstruation
Functional layer
What is the primary source of progesterone in late stages of pregnancy
Placenta
What are the effects of increased oestrogen levels in the follicular phase of the menstrual cycle
Thinning of cervical mucus
Thickening of endometrium
What are the functions of progesterone
Inhibition of LH and FSH production
Initiation of secretory phase of endometrium
Increase in basal body temperature
What occurs during menstruation phase
Breakdown of corpus luteum - no more -progesterone
Causes vasoconstriction of spiral arteries - necrotic and lost through vagina
What are the functions of LH?
Formation and maintenance of corpus luteum
Thinning of Graafian follicle membrane
Where is GnRH produced?
Hypothalamus
When does the LH surge occur?
~Day 12
Which cycle day does follicular phase occur?
Day 1-13
Where is the most common site of fertilisation?
Ampulla of Fallopian tube
Corpus luteum secretes?
Progesterone
Oestrogen
