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Examination is carried out after liquefaction of semen that occurs usually within 20-30 minutes of ejaculation.   1. VISUAL APPEARANCE   Normal semen is viscous and opaque gray-white in appearance.…
Biochemical markers (Table 831.1) can be measured in semen to test the secretions of accessory structures. These include fructose (seminal vesicles), zinc, citric acid or acid phosphatase (prostate), and α-glucosidase…
The most important test in semen analysis for infertility is microscopic examination of the semen.
ANTISPERM ANTIBODIES The role of antisperm antibodies in causation of male infertility is controversial. The immunological tests done on seminal fluid include mixed antiglobulin reaction (MAR test) and immunobead test.…
Monday, 14 August 2017 20:44

SPERM FUNCTION TESTS OR FUNCTIONAL ASSAYS

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These tests are available only in specialized andrology laboratories. The tests are not standardized thus making interpretation difficult. If used singly, a sperm function test may not be helpful in…
Tuesday, 15 August 2017 18:54

SEMEN ANALYSIS FOR INVESTIGATION OF INFERTILITY

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Semen (or seminal fluid) is a fluid that is emitted from the male genital tract and contains sperms that are capable of fertilizing female ova. Structures involved in production of…
Wednesday, 16 August 2017 07:56

PREGNANCY TESTS

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Pregnancy tests detect human chorionic gonadotropin (hCG) in serum or urine. Although pregnancy is the most common reason for ordering the test for hCG, measurement of hCG is also indicated…
Thursday, 17 August 2017 16:35

ROLE OF LABORATORY TESTS IN DIABETES MELLITUS

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Diabetes mellitus (DM) is a metabolic group of disorders characterized by persistent hyperglycemia due to deficiency and/or diminished effectiveness of insulin. There are derangements of carbohydrate, protein, and fat metabolism…
Sunday, 27 August 2017 20:46

LABORATORY TESTS TO EVALUATE TUBULAR FUNCTION

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Tests to Assess Proximal Tubular Function Renal tubules efficiently reabsorb 99% of the glomerular filtrate to conserve the essential substances like glucose, amino acids, and water. 1. Glycosuria In renal…