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Qaagi - Book of Why

Causes

Effects

However , FSH increases more than LHresultingin an FSH / LH ratio greater than one

other factorscan leadto lower LH / FSH High prolactin

in turnresultsin an increase in the LH / FSH ratio.[48

in turnresultsin an increase in the LH / FSH ratio.[52

Failure of that portion of the brain to produce GNRHwill causereduced FSH / LH levels

high testosteronecauseshigh lh levels

in turnresultsin an increase in the LH / FSH ratio

in turnresultsin an increase in LH / FSH ratio

hypothalamic pituitary axisleadingto increased LH / FSH ratio

the hypothalamic - pituitary axisleadingto an increase in the LH / FSH ratio

an increased frequency of hypothalamic GnRH ... in turnresultsin an increase in the LH / FSH ratio

an increased frequency of hypothalamic GnRH pulses ... in turnresultsin an increase in the LH / FSH ratio

more irregular , larger amplitude pulses of GnRHleadsto a decrease in the ratio of LH / FSH

more irregular , larger amplitude pulses of GnRHleadsto a decrease in the ratio of LH to FSH

that competes with estradiol feedback at the pituitary and hypothalamic levels ,leadingto an increase in LH and FSH

Hypothyroidismcan causelow luteinizing hormone ( LH

Estradiol increases dailycausesa drop in FSH and LH

Hyperprolactinemia ... too much prolactincausesa decrease in FSH and LH

are classically characterized by inappropriate pituitary gonadotropin secretioncausingan elevated LH to FSH ratio

Insulin resistancecauseshigh LH

clomiddoes ... causehigh fsh

clomidCan ... causehigh fsh

after clomiddoes ... causehigh fsh fsh

clomidCan ... causehigh fsh

What diseasecausesLH / FSH ratio of > 2.5

that estrogen levels are lowerresultsin a surge of FSH and LH

After some time , the body downregulates the GnRH receptorcausingLH , FSH , [ [ endogenous

the development of secondary sexual characteristics ( such as pubic hair ) and skeletal development in boys and girls with abnormally early puberty ( central precocious puberty ... the brainresultin high levels of FSH and LH

HMG ... a medicationis composedof FSH ... with LH

that block and releasecan resultof fSH / LH

to low sperm and testosterone productiontypically leadto low sperm and testosterone production

in Low Test levelsresultsin Low Test levels

ovulation of a mature eggto causeovulation of a mature egg

low sperm countscan sometimes causelow sperm counts

to cystsleadingto cysts

in a decline of both LH & FSHresultsin a decline of both LH & FSH

to ovulatory problemsleadingto ovulatory problems

increased testosterone to be released from our ovaries as well as anovulationcan causeincreased testosterone to be released from our ovaries as well as anovulation

to the lack of an egg being released from the ovary ( anovulationcontributeto the lack of an egg being released from the ovary ( anovulation

to low estrogen , testosterone , and progesteronewill then leadto low estrogen , testosterone , and progesterone

in a decline of both LH & FSHresultsin a decline of both LH & FSH

to cystsleadingto cysts

in infertilitycan resultin infertility

to infertility issuescan ultimately leadto infertility issues

OVULATIONcausesOVULATION

poor follicle developmentcan causepoor follicle development

to lower E2 levelswill leadto lower E2 levels

the ovary into producing more eggs and follicles ... resulting in ovulationcausethe ovary into producing more eggs and follicles ... resulting in ovulation

to early ovulationcan leadto early ovulation

infertilitycausesinfertility

alsocan ... causealso

in turncontributesin turn

high t>e2causinghigh t>e2

the release of ovulation through ovary stimulationcausethe release of ovulation through ovary stimulation

the ovaries to begin producing the hormone estrogen , which causes a girl 's body to mature and prepares her for menstruationpromptthe ovaries to begin producing the hormone estrogen , which causes a girl 's body to mature and prepares her for menstruation

thereforecausestherefore

lack of ovulation and infertilitycausinglack of ovulation and infertility

only one follicle to ultimately grow and ovulate in any given monthcausesonly one follicle to ultimately grow and ovulate in any given month

to disturbed menstrual and reproductive cyclesleadsto disturbed menstrual and reproductive cycles

in an increase in testosteroneresultsin an increase in testosterone

OvulationcauseOvulation

to poor egg qualitycan leadto poor egg quality

infertility , amenorrheacausinginfertility , amenorrhea

early pubertycan causeearly puberty

estrogen to risecausesestrogen to rise

oestrogen levels(passive) caused byoestrogen levels

from a reduced egg supply that is the culprit and may cause miscarriageresultingfrom a reduced egg supply that is the culprit and may cause miscarriage

T to dropis causingT to drop

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