ovulation egg growscorpus luteum shrinks plasma concentration of steroids (arbitrary units) hormone...

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Ovulation Egg grows Corpus Luteum Shrinks Plasma Concentrati on of Steroids (arbitrary units) Hormone Levels Days 1 7 14 21 28 Estradiol Progesteron e Endometrial Thickness Endometrium 3-5 days Menses 3-5 days

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Ovulation

Egg grows Corpus Luteum ShrinksPl

asm

a Co

ncen

trati

on

of S

tero

ids

(arb

itrar

y un

its)

Hormone Levels

Days 1 7 14 21 28

Estradiol

Progesterone

Endometrial Thickness Endometrium

3-5 daysMenses

3-5 days

Human Reproduction

Ovary

Endometrium

Endometrium – Menstruation Cycle

Primary follicles

Uterus

Ovary

Endometrium thickens

Uterus

Endometrium – Menstruation Cycle

Mature follicleCorpus luteus

Ovary

Endometrium (shedding)

Endometrium – Menstruation Cycle

UterusCorpus luteus

Primary follicles

Ovary

Endometrium

Uterus

Endometrium Is Thinner on a Hormonal Contraceptive

Ovary

Endometrium

Uterus

Menorrhagia

Excess tissue shedding from endometrium

Ovary

Endometrium

Uterus

Metrorrhagia

Tissue breaking away from

endometrium