Download Free Medical PPP 6 SEMINAL FLUID ANALYSIS Fertility PowerPoint Presentation

PPP 6 SEMINAL FLUID ANALYSIS Fertility PowerPoint Presentation

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Description : Presents Sperm Analysis for Fertility determination and the principle involved in the process. The presentation also includes the three Main procedures involved to conform status of sperm being analyzed Physical Examination/Gross Examination Chemical Examination Microscopic Examination

Tags : Forensic Serology

Published on : Oct 13, 2020 | Views : 2647 | Downloads : 49

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SEMINAL FLUID ANALYSIS Fertility Test By: Melody Joy V. Mique Ph.D.
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“The seminal fluid is a composite solution containing basically of spermatozoa , suspended in seminal plasma made by seminal vesicle and accessory sex glands”.
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Composition of a Seminal Fluid Spermatozoa Seminal Plasma Choline and spermin Fructose Proteolytic enzyme Prostatic secretion ACP and LDH
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Why is it Done? 1. Fertility Determination. 2. Follow up of patients who have undergone vasectomy. 3. . For detection of future infertility due to radiotherapy and chemotherapy for cancer treatment . 4. For congenital abnormalities. 5. for MEDICOLEGAL purposes.
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TERMINOLOGIES IMPORTANT TO REMEMBER *ASPERMIA:- It is total absence of ejaculate. *AZOOSPERMIA:- Absence of spermatozoa in semen. *OLIGOZOOSPERMIA:- It is reduction in volume of ejaculate and total sperm count less than 20 million cells/ml. ASTHENOZOOSPERMIA:- Characterizes by spermatozoa less than 50% actively motile.(category {a} and {b} ). TERATOZOOSPERMIA:- 50% spermatozoa with normal morphology. HYPERSPERMIA:- Increase in semen volume and count more than 300 million/ml. NECROSPERMIA:- Normal count of sperm but non motile spermatozoa. HAEMOSPERMIA:- Plenty of RBC and pus cells in semen.
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Sperm Analysis for Fertility Determination A. Method of Collection * There should be 1 week abstinence 1. Masturbation 2. Coitus interruptus 3. Vaginal Vault aspiration 4. Condom method(less commonly used) B. Preservation: It must be kept same with the body temperature at 370C (under axial) Transit of specimen= within 20-30 minutes MEDICOLEGAL purposes. Collected as stain from anything in the crime scene and also vaginal vault aspiration from rape victims
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Seminal Fluid Examination A. Physical Examination/Gross Examination B. Chemical Examination C. Microscopic Examination
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A. Physical Examination 1. Amount or volume: Normal Value = 1.5 to 5 ml per ejaculation Less volume may be due to non-abstinence. 2. Color /Appearance: Opaque Gray or pearly white to light yellow Extended abstinence will affect its color Color may change due to:- (a)Presence of urine:- May be present in man with disturbances of bladder neck function and ejaculation. A high urea content may confirm presence of urine
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(b)Presence of blood:- Traces of fresh blood imparts pink color to semen. Larger amounts imparts brighter color to semen. (c)Presence of bilirubin:- Presence of bilirubin may impart yellow color to semen just as it dose to other body fluids. LIQUIFICATION TEST:- Normal :- 20-30 min. Generally the semen coagulates after coming out and liquefy due to activity of enzymes secreted from prostate gland on fibrinogen like precursor secreted by seminal vesicle. It is assessed visually.
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3. Odor: distinct; spermatic; Clorox like; acrid odor; fishy pungent sweet odor. It may change due to bacterial growth. 4. Viscosity: Freshly Ejaculated= highly viscid/creamy gelatinous/ thick, mucoid > Absence of this characteristic: Low cell count >It is measures using a pasture pipette. If drop by drop falls viscosity is normal > Self liquidation happens within 10-30 minutes after ejaculation because of fibrinolysis > The liquefaction releases the sperm cell. Delayed liquefaction= abnormal
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5. Reaction: >alkaline with Ph 7.2-8.0; average of 7.8 >Becomes slightly alkaline on standing at R.T. >May be slightly acidic in “APLASIA” of vas deferens and seminal vesicle. 6. Specific Gravity: 1.033
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B. Chemical Examination * Determination of the Presence of FRUCTOSE:- Fructose = Main carbohydrate supplying energy for the movement of spermatozoa. Present in high concentration in seminal plasma secreted by seminal vesicle. Normal:-150-300mg/dl Decreased condition:- 1>T.B of seminal vesicle. 2>Androgen deficiency. 3>Testosterone therapy. 4>Obstruction of ejaculatory duct.
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PROCEDURE:- 1. Resorcinol Method 5ml resorcinol reagent + 0.5 ml semen __ HEAT __ Result = Orange red precipitate REAGENT:- resorcinol :-50 mg Con.HCl :- 33 ml D/W :- 100 ml water 2. Condensation with Indole Glacial Acetic acid Measured in spectrophotometer, Result: giving a purple Colored compound *Diminish level of Fructose: parallel androgen Deficiency *Relationship between fructose and sperm count: Directly Proportional Low fructose: low testosterone level
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C. Microscopic Examination 1. Motility Test and Confirmatory Test 2. Sperm Count 3. Sperm Morphology
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C. Microscopic Examination 1. Motility Test Motility of spermatozoa is important in the penetration of the Cervical mucus and subsequently migrate to penetrate the ovum. *Complete Liquefaction of the seminal fluid is necessary to observe full motility of spermatozoa *Normal Movement of Sperm: Progressive Factors affecting Motility: 1.liquifaction of the seminal fluid 2. Temperature 3. Period of Abstinence 4. Manner of collection 5. Types of movement of the spermatozoa 6. The number of sperm cell present
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METHOD:- Place a drop of liquefied semen on glass slide and cover with cover slip. Examine in low power & high dry power objective using low light by adjusting diaphragm. Grading For Motility Observation:- Grade 0:- Non-motile Grade 1:- sluggish forward progression Grade 2:- Defining forward Grade 3:- Good forward movement Grade 4:- Vigorous and rapid forward progression Check motility after 2,4,6 hrs interval.
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Confirmatory Test for Motility Test: Perform Blooms Test Principle/Result: Dead sperm cells absorb the stain thus appears to be red while alive sperm cells resists the stain.
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2. Sperm Count:- Normal:- 40-300 million cells/cumm Oligospermia:- Decreased sperm count;due to Suppression of endogenous gonadotropin Estrogen secreting tumor Hypo & hyper thyroidism Mumps leprosy Irradiation orchitis (Inflamation of the testes) Hypopituitarism Varioceles Hypogonadism
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Azoospermia:- absence of spermatozoa in the semen Ductal obstruction Klinefelter syndrome Sertoli cell syndrome Post mumps ‘Polyspermia= increased sperm count:- more than 300 million cells / cumm, results in infertility.
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Procedure sperm Counting Needed: Diluting fluid, Counting chamber, WBC pipette Microscope SEMEN DILUTING FLUID:-NaHCo3= 5 gm, Formalin neutral= 1 ml D/W = 100 ml Draw semen upto 0.5 mark in WBC pipette. Draw semen diluting fluid (Used to immobilize sperm and preserve them) upto 11 mark & mix well. Load it in improved Neubauer counting chamber & allow to settle for 5 min then view it under the microscope Count the sperm in four end ‘W’ square. Count only those that are inside the square, do not include those at the borderline
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CALCULATION:- Sperm cell/ml= TCSCx10x40x1000 4 TCSC= total count of sperm cell Normal Value: 60-150 million sperm cell
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3. Morphological Examination: The morphology of the sperm cell is seen in a stained preparation Normal Morphology of the Sperm Cell Head = relatively large, flattened ; 3-6 micron in length and 2-3 micron in width, uniform in size and shape Midpoint or neck = a small connecting piece between the head and the tail Tail = a long slender part that exhibit s a violent whip-like Motion
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Abnormal Morphology of the Sperm Cell Head = too large and too small, absent, double, abnormal shape, atypical distribution of the chromatin, swollen, irregular, pointed, ragged edge and vacuoles Midpoint or neck = absent, swollen, rudimentary, bifurcated Tail = rudimentary, absent, doubled, swollen and too short
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stained Preparation Procedure: 1. After liquefaction, make a thin smear of semen on a glass slide just as blood film is prepared. 2. Let it air dry & heat gently for fixation. 3. If necessary remove mucus by dipping the smear in semen diluting fluid. 4. Staining could either be done by Leishman staining, Papanicolau stain or carbol fuschin staining method.
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OBSERVATION:- Head= light blue Vacuoles= Dark blue Body & tail= pinkish or red.