Physiology & The Menstrual Cycle - wesley ob/gyn · 2016-07-05 · Physiology & The Menstrual Cycle...
Transcript of Physiology & The Menstrual Cycle - wesley ob/gyn · 2016-07-05 · Physiology & The Menstrual Cycle...
![Page 1: Physiology & The Menstrual Cycle - wesley ob/gyn · 2016-07-05 · Physiology & The Menstrual Cycle David A. Grainger, MD, MPH July 8, 2015. Disclosures •I have no disclosures.](https://reader036.fdocuments.us/reader036/viewer/2022081402/5f09f3a37e708231d4294ae5/html5/thumbnails/1.jpg)
Physiology & The Menstrual Cycle
David A. Grainger, MD, MPH
July 8, 2015
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Disclosures
• I have no disclosures.
![Page 3: Physiology & The Menstrual Cycle - wesley ob/gyn · 2016-07-05 · Physiology & The Menstrual Cycle David A. Grainger, MD, MPH July 8, 2015. Disclosures •I have no disclosures.](https://reader036.fdocuments.us/reader036/viewer/2022081402/5f09f3a37e708231d4294ae5/html5/thumbnails/3.jpg)
Learning Objective
• To understand the menstrual cycle
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12 51
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20 weeksBirth
menopausemenarche
6-7 million
1-2 million500,000
0
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Medial Basal Hypothalamus
Pituitary
Ovary
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Medial Basal Hypothalamus
Pituitary
Ovary
TSHPRLACTHGHFSHLH
OxytocinVasopressin
Median eminence
Arcuate nucleus
GnRH
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XXXXX XXXXX
E2 LH
FSH
Follicular Phase LH Surge Luteal PhaseProliferative Phase Secretory Phase
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LH
FSH
Theca
Granulosa
Oocyte
Cumulus
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Medial Basal Hypothalamus
Pituitary
Ovary
TSHPRLACTHGHFSHLH
OxytocinVasopressin
Median eminence
Arcuate nucleus
Sex steroids (progesterone, androgens, estrogens)Inhibin
GnRH
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LH Surge:
1. Induces Ovulation1. PG production2. Proteolytic Enzyme
induction2. Shift from Estrogen to
Progesterone production3. Resumption of Meiosis
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XXXXX XXXXX
E2
P4
LH
FSH
Follicular Phase LH Surge Luteal PhaseProliferative Phase Secretory Phase
40 hoursovulation
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