reproductive hormones Flashcards

1
Q

menstrual cycle 2 phases

A

follicular - pre ovulation
luteal - post ovulation

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2
Q

average cycle time

A

28 days

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3
Q

FSH

A

follicle stimulating hormone

-seen in follicular phase

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4
Q

what is FSH produced by

A

pituitary gland

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5
Q

main function of FSH

A

stimulate ovaries to produce eggs

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6
Q

only time to looks at FSH

A

if women has trouble getting pregnant or going into perimenopause, or menopause

-these levels will increase when entering these phases

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7
Q

in men FSH helps in

A

production of sperm

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8
Q

in children FSH

A

adds in development of all sexual features

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9
Q

from day 1 period to right before ovulation FSH

A

at steady low

-will increase right before ovulation

-will cause 1 follicle to become dominant during this stage

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10
Q

after ovulation FSH will

A

decrease and go to normal levels until next menstrual cycle

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11
Q

decrease levels of FSH associated with

A

-PCOS
-pituitary dysfunction
-decreased levels in men associated with decrease sperm counts

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12
Q

increase levels of FSH seen right before ovulation

A

goes up and down

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13
Q

increase levels of FSH at perimenopausal and menopausal stages

A

goes and stays up

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14
Q

no period for a year considered

A

menopausal

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15
Q

LH stands for

A

luteinizing hormone

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16
Q

LH released by

A

pituitary gland

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17
Q

when does LH increase

A

increase along with FSH so follicular stage

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18
Q

main function of LH

A

release egg during ovulation

19
Q

If fertilization occurs LH will tell stimulate

A

corpus luteum to produce progesterone

20
Q

in men LH stimulates production of

21
Q

if no fertilization LH will

22
Q

when progesterone seen after

23
Q

progesterone main function

A

prepare uterus for implantation and maintenance of a pregnancy

24
Q

decreases in progesterone is main reason for

A

early miscarriage

25
if multiple miscarriages should look at what
progesterone -can be given to women if history of miscarriages
26
estrogen maintain
menopausal cycle and women ability to get pregnant -considered follicular hormone
27
what estrogen tells your body to make
LH and FSH and for ovaries to release the egg
28
main hormones allow women to be fertile
estrogen
29
decrease in hormone seen in
perimenopausal and postmenopausal -seen with increased risk of ovarian and cervical cancer -temp flutations -temperament
30
HRT- hormone replacement therapy
-estrogen -treat hot flashes -related with increased risk for breast cancer and ovarian cancer
31
estriol considered to be a
estrogen
32
estriol produced exclusively during
pregnancy and major estrogen produced in the fetus -continue to rise through pregnancy until right before delivery -keeps the fetal placental unit in tact only measured if continual miscarriages
33
decreases levels in estriol seen in
fetus is in distress or poor prognosis for fetal development
34
estradiol considered to be a
estrogen -true ovarian hormone
35
estradiol produced by
ovaries -indicator of ovulation
36
highest levels of estradiol right before
ovulation and normal levels after ovulation
37
another hormone put into HRT
estradiol
38
2 things measure when entering premenopausal
FSH and estradiol
39
testosterone is considered an
androgen
40
testosterone is synthesized from
cholesterol -happens in the testes by Leydig cells
41
testosterone is released by
adernal glands
42
testosterone is seen in boys and girls during
prepuberty stages -helps them to start go through puberty -height, hair growth, acne
43
testosterone is essential for
sperm development -when looking at this, need to look at testosterone levels -can't really change them
44
Some treatment for low T which can help sexual drive--
which helps stimulate LH and FSH, but overall not increase levels of testosterone -measure free testosterone