Semen Flashcards
4 Fraction/composition of a Semen
Spermatozoa
Seminal fluid
Prostate fluid
Bulbourethral glands
Percentage spermatozoa
5%
Percentage seminal fluid
60-70%
Percentage prostate fluid
20-30%
Percentage bulbourethral glands
5%
Man has reproductive problem causing
infertility
is the singular test for fertility in male
Semen analysis
Surgery to prevent pregnancy
Vasectomy or vasectomy reversal
SA is the singular test for fertility in male that can provide
information on:
Øsperm production.
Øpatency of the male ducts.
Øthe function of the accessory glands.
Øejaculative function.
Majority of sperm are
contained in the
first
portion of the
ejaculate
sexual abstinence of from ___ to ____
days to not longer than 5 days
2 to 3 days
sexual abstinence of from 2 to 3
days to not longer than ___ days
5 days
fertility testing: days
2 to 3 days
fertility testing: weeks intervals
2 weeks intervals
Specimen should be
collected at
Room temperature
Specimen should be kept at
Room temperature
Specimen should be delivered to the
laboratory within ____ hour of col-
lection.
1 hour
Specimen Kept at ____ if
awaits analysis
37ºC
Procedure or process in collecting semen
Masturbation
Material that is allowed to use in collection of semen
Non-lubricant containing rubber or polyurethane condoms
Material that is not allowed to use in collection of semen
Ordinary condom
Assisted Collection?
No
WAYS OF SEMEN COLLECTION
Masturbation
Coitus interruptus
Assisted ejaculation
directing the semen into a clean sample cup.
Masturbation
withdrawing the penis from the partner just before ejaculating follow
by ejaculating into a clean sample cup
Coitus interruptus
use nonlubricant containing rubber or polyurethane condom
Condom method
electro-ejaculation used in paralegics
Assisted ejaculation
Normal color of semen
Gray-white
translucent
Pearly white
colorless to creamy white
Odor
Musty
bleach/ chlorox odor
Increased white turbidity
Infection
Increase WBC
Red Coloration
Increased RBC
Yellow Coloration
Increased contamination
urine contamination
medication
Sperm Motility Examine under _______ and report the number of motile
and non-motile sperms in percemtage.
HPO
Sperm Motility Within ______ hour of collection, check the percentage of
motility and repeat after four hours.
one hour
Sperm Motility Within one hour of collection, check the percentage of motility and repeat after ______ hours.
four hours
Macroscopic/ Physical Examination
Parameters reported: semen analysis
Appearance / color
Volume
Vicosity
Liquifaction
pH
Microscopic Parameters reported: semen analysis
Motility
Viability
Sperm morphology
Sperm concentration and count
Volume: normal
2-5mL
Volume increase in
abstinence
Volume decrease in
Infertility
Incomplete collection
Viscosity: normal
Pour in droplets (highly viscous)
Viscosity: Increased viscosity
Decreased sperm motility
Viscosity reporting
0- watery
4- gel-like
pH normal
7.2 to 8.0 pH
7.3 to 8.3 pH
Increase pH
Infection
Decreased pH
Increase prostatic fluid
Sperm Motility Grading: These sperms have progressive motility. They are the strongest and swim fast in a straight line.
Grade A (straight motility)
Sperm Motility Grading: These sperms with non-progressive. motility tends to travel in a curved or crooked motion.
Grade B (lateral motion)
Sperm Motility Grading: These sperms either move their tail or are immotile.
Grade C (near to death)
Test used for semen analysis
Modified bloom’s test
Modified bloom’s test reagent
Eosin and nigrosin
Modified blooms test count of sperm
100 sperm
Modified bloom’s test living sperm color:
unstained, bluish
white (75%)
Modified bloom’s test dead sperm color
Red
Seminal Fluid Fructose Normal Value:
Greater or equal to 13 umol/ejaculate
SPERM VIABILITY screening test:
Seminal Fluid Fructose
Seminal Fluid Fructose test:
Resorcinol test
Resorcinol test possitiv result
orange-red Color
Part of sperm
Head
Tail
Mid piece
Head Normal:
Oval shaped
Head abnormal:
Poor ovum penetration
Midpiece contain
mitochondria
Tail abnormal:
poor motility
Hardening of the veins that drain the testes
Varicocele
Most common cause of male infertility
Varicocele
Sperm head: tapered
Varicocele
Sperm Viability: Prepare a _____ smear of seminal fluid.
thin
Sperm Viability: Heat fix using________.
alcohol lamp
Sperm Viability: Cover and read under ______.
OIO
Sperm Morphology: Stain the smears by___________.
gram’s method
Sperm Morphology: Examine under
OIO
Sperm Morphology cell count
200 count
Sperm Morphology reports
epithelial cells,
testicular cells,
RBCs,
WBCs
crystals
Routine criteria
> 30% normal forms
<50% abnormal forms
Kruger’s strict criteria
> 14% normal forms
< 70% abnormal
Measure the head, neck, and tail using a
Micrometer
Stains can be used
Wright’s stain
Giemsa stain
Hematoxylin
Crystal violet
Papanicolau’s stain- stain of choice
Sperm Concentration Normal Value:
20-160 million/mL
Sperm Concentration method:
Improved Neubauer Counting Chamber
Sperm Concentration dilution
1:20
Sperm Concentration diluent:
immobilize the sperm
Sperm Concentration: others diluent
Cold water
1% formalin
5% sodium bicarbonate
Cold water with
5% NaHCO3 in 1% phenol
1% Formalin with
1% formalin in trisodium citrate
5% Sodium bicarbonate with
0.5% chlorozene
For undiluted sample
Makler Counting Chamber
Uses heat to immobilize the sperm cells
Makler counting chamber
Common abnormalities of sperm heads and tails:
Double head
Giant head
Amorphous head
Pinhead
Tapered head
Constricted head
Double tail
Coiled tail
Spermatid
Total Sperm Count :
sperm conc. x specimen vol.
Only ____ developed sperm should be counted
fully developed
immature form
Round cells
> 1 million leukocytes/mL indicates
inflammation or infection of the
reproductive organs
> 1 million leukocytes/mL ; inflammation or infection of the
reproductive organs lead to
Infertility
2 WBC squares formula
Num. sperm x100,000 = sperm M/mL
5 RBC squares formula
Num. cell count x 1,000,000 = sperm M/mL
4 WBC square formula
Num. sperm count x 50,000 = sperm M/mL
Standard Neubauer Calculation Formula)
Specimen conc. = num. cell x dilution/ num. square count x 0.1
Sperm Count Normal Value:
> /= 40 million/ ejaculate
Sperm Count formula:
Sperm count: sperm conc. X sperm vol.
Makler Chamber: ul of semen
10 ul
Makler Chamber: allow ____ Min of settle and spread evenly
1 min
Makler Chamber: use ______ objective
X20
Makler Chamber: A row of ____ squares
10 square
Makler Chamber: Usually ___ to ___ randomly selected rows are read
3 to 5 randomly selected
Makler Chamber: If < 5 sperms per row of 10 squares is seen, then
the entire grid is _____.
counted