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Published byGarey Washington Modified over 8 years ago
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Female reproductive tract Bongkot Chakornbandit, MD. OB-GYN, HPC 10 Ubon Ratchathani
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Pelvis Innominate bone –Ilium –Ischium –Pubis Sacrum coccyx
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Perineum
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Anal triangle Urogenital triangle
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Labia majora Loose CNT Hair follicle Sebaceous gland Sweat gland –Eccrine gland –Apocrine gland
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Labia minora Thinner than labia majora Anterior fold form hood of clitoruis Attachment of inferior surface posterior fourchette Sebaceous gland (protect from irritant) No hair follicle, no sweat gland
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Bartholin duct opening
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Vagina Hollow fibromuscular tube Hormone sensitive Axis –Upright : almost horizontal –Lithotomy : posterior toward sacrum Anterior 6-9 cm., posterior 8-12 cm. Rugae : distensibility Lubrication : - transudate - cervical & Bartholin gland
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Cervix Exocervix External os Endocervical canal Internal os Transformation zone
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Cervical eversion –Early childhood –Pregnancy –OCP Cervical mucus : hormonal influence
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Uterus Fibromuscular organ Vary in size & shape ~ 8 x 5 x 2.5 cm. Part of Uterus –Isthmus –body –Fundus –cornu
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Endometrial cavity –Triangular shape –Mucosal surface Myometrium –Interlacing smooth muscle fiber
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Fallopian tube 7 – 14 cm. 4 parts –Interstitial –Isthmus –Ampulla –Fimbria (infundibulum)
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Ovaries paired gonadal structures Varies in size (from hormone production), up to 5 x 3 x 3 cm. Cortex : specialized stroma & folloicles Medulla : fibromuscular tissue & blood vessels
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Blood supply
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Nerve supply
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PHYSIOLOGY OF REPRODUCTION
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GnRH HPO axis H hypothalamus P pituitary O ovarian Axis
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Uterine cycle Menstrual phase –shedding Proliferative phase –thickening Secretory phase –Strengthening
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Normal menstruation Endometrium + enzyme Fibrinolysis 50% shedding in first 24 hr. Cycle 21 – 45 d Duration ~ 4 – 7 d Amount ~ 30 – 80 ml. (4 - 80 ml.)
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Pubertal development Tanner developed a scale for sexual maturity rating : Tanner stage 5 classes based on breast and pubic hair
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Tanner stage of breast I.Prepubertal –No palpable breast tissue II.Breast bud –Visible & palpable mound of breast tissue III.Breast elevation –Growth & elevation of entire breast IV.Areola mound –Secondary mound V.Adult contour –Mature in contour & proportion
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Tanner stage of breast I.Prepubertal –No sexual hair II.Presexual hair –Coarse, long, crinkly hair along labia majora III.Sexual hair –Coarse, curly hair extend to mon pubis IV.Mid-escutcheon –Adult hair in thickness & texture V.Female escutcheon –Extend onto thigh
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