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Semen:- Part 4 – Workup of Infertile Couple

October 21, 2024Fluid analysisLab Tests

Table of Contents

Toggle
  • Workup of Infertile Couple
        • How will you define infertility?
    • How will you do Male Workup for Fertility?
      • Semen analysis:
        • How will you check Sperm functions?
        • How will you summarize the sperm function tests?
        • How will you demonstrate Sperm-mucous penetration?
        • How will you assess the sperm motility?
        • How will you grade Sperm motility?
        • How will you assess sperm viability testing?
        • How will you assess the Seminal fructose?
        • How will you check the Antisperm antibodies?
      • How will you Evaluate the level of hormones in Males?
        • How will you estimate Serum testosterone levels in males?
        • How will you evaluate FSH levels in males?
        • How will you assess abnormal semen?
    • How will you do Female Workup for Fertility?
        • How will you Evaluate female infertility?
        • How will you perform the Post-coital test?
        • How will you assess Progesterone levels in females?
        • How will you assess luteinizing hormone (LH) surge?
      • What are the Hormonal changes in females?
      • Questions and answers:

Workup of Infertile Couple

How will you define infertility?

  1. Infertility is the inability to conceive after one year of intercourse without contraceptive devices or medications.
  2. Infertility is divided into:
    1. Primary infertility is the infertile couple who had no previous successful pregnancy.
    2. Secondary infertility affects individuals who had a previous successful pregnancy but are now unable to conceive.
  3. To evaluate infertility and fertile couples, hormones and semen workups are needed.

How will you do Male Workup for Fertility?

Semen analysis:

  1. It includes count, ejaculate volume, pH, and motility, as discussed in Part 1.

How will you check Sperm functions?

  1. The sperm should reach the ovum through directed motion, undergo capacitation, and fuse with the oocyte membrane.
  2. Only one sperm will enter the ovum.
  3. Then, it will be incorporated into the oocyte cytoplasm.
Workup of Infertile Couple: Process of Fertilization

Workup of Infertile Couple: Process of Fertilization

How will you summarize the sperm function tests?

Sperm function tests Details of the test and interpretations
  • Cervical mucus penetration
  1. This is the observation of the cervical mucus by the sperm.
  2. Sims Hunter test can be advised.
  • In vitro acrosome reaction
  1. This is the evaluation of the acrosome to produce enzymes essential for ovum penetration.
  • Hamster egg penetration
  1. In this case, the sperms are incubated with hamster eggs.
  2. Then, penetration is observed microscopically.
  • Hypo-osmotic swelling
  1. The sperms are exposed to low sodium concentrations.
  2. Then, it was evaluated for membrane integrity and sperm viability.

How will you demonstrate Sperm-mucous penetration?

  1. This will tell us the ability of the sperm to travel through the vaginal mucous to reach the uterus.
  2. In vitro test to check the penetration ability:
    1. Bovine cervical mucus is taken in the capillary tube.
    2. The migration of the sperm in the tube is measured.
    3. The following factors are noticed:
      1. Migration distance.
      2. Penetration density.
      3. Duration of the progressive movement.
      4. Migration reduction.

How will you assess the sperm motility?

  1. The presence of sperm capable of forwarding the progressive movement is critical for fertility.
  2. This progressive movement propels the sperm through the cervical mucus to the uterus and fallopian tubes and to the ovum.
  3. This should be done on well-mixed, liquefied semen within one hour of the collection.

How will you grade Sperm motility?

Grade of the motility Criteria for the motility
  • Grade 4.0
  • There is rapid, straight-line motility.
  • Grade 3.0
  • The speed is slower, and some lateral movement.
  • Grade 2.0
  • There are slow forward progression and noticeable lateral movement.
  • Grade 1.0
  • There is no forward progression.
  • Grade 0
  • There is no movement.

How will you assess sperm viability testing?

  1. Decreased sperm viability will lead to infertility.
  2. Procedure to check sperm viability:
    1. Mix semen with eosin-nigrosine stain.
    2. After a few minutes, make the smear.
    3. Now count the number of dead sperms per 100 sperms.
    4. Living sperms will not take the dye and will have a bluish-white color.
    5. The dead sperm will stain red against the purple background.
  3. Normal viability requires 75% of the living sperm.
Workup of Infertile Couple: Semen eosin-nigrosin viability test

Workup of Infertile Couple: Semen eosin-nigrosin viability test

How will you assess the Seminal fructose?

  1. Low sperm concentration is caused by the lack of a support medium in the seminal fluid, such as fructose.
  2. If fructose is low or absent in the seminal fluid, this will lead to low sperm concentration in the semen.
  3. The normal fructose level is 13 µmol per ejaculate.
  4. The resorcinol test judges the fructose concentration:
  5. Resorcinol reagent consists of:
    1. 50 mg resorcinol in 33 mL of concentrated HCL.
    2. Make the volume 100 mL by adding the distle water.
  6. Procedure:
    1. Mix 1 mL of semen with 9 mL of resorcinol reagent.
    2. Boil the test tube.
    3. Result:  Observe the orange-red color.
    4. The specimen should be tested within 2 hours of the semen collection or frozen to prevent fructolysis.

How will you check the Antisperm antibodies?

  1. Antisperm antibodies may be present in both males and females.
  2. These antibodies may be detected in the following samples:
    1. Semen.
    2. Cervical mucosa.
    3. Serum.
  3. Antisperm antibodies are identical in the male and female infertility evaluation; these can be detected by:
    1. Agglutination.
    2. Immobilization.
    3. Radioimmunoassay (RIA).
    4. Immunofluorescent assay.
    5. Enzyme-linked immunoabsorbent assay (ELIZA).
  4. Both partners may show antisperm antibodies, which are more common in males.
  5. Under normal conditions, the blood test barrier will prevent sperm exposure to the immune system.
  6. There is the exposure of the sperm to the immune system in the case of vasectomy, trauma, and infections.
  7. An antigen on the sperm will produce the antibody, damaging the sperm.
Workup of Infertile Couple: Mechanism of Sperm antibody formation

Workup of Infertile Couple: Mechanism of Sperm antibody formation

  1. The damaged sperm produces antibodies in the female.
  2. Antibodies are suspected in males when sperm clumping is seen in routine semen analysis.
  3. The presence of antisperm antibodies in the female can be seen:
    1. Mix the sperm with the cervical mucosa or the serum.
    2. Observe the agglutination.
  4. Other tests for the antisperm antibodies are:
  5. Mixed agglutination reaction:
    1. This is a screening procedure to detect IgG antibodies.
    2. Semen containing motile sperm is incubated with IgG antihuman globulin (AHG).
    3. Latex suspension or treated RBCs coated with IgG.
    4. The bivalent AHG will bind the sperm and the other side to latex-coated particles (or IgG-coated RBCs).
    5. This reaction will give rise to microscopically agglutination or clumping of the sperms.
    6. Result: <10% of the motile sperms attached to the latex particles are considered normal.
  6. Immunobed test:
    1. This is a more specific test, and it can detect IgG, IgM, and IgA antibodies.
    2. This will also show which area of the sperm, head, neck, or tail is affected.
      1. Antibodies against the head will interfere with the penetration of the sperms to the ovum or cervical mucosa.
    3. Procedure: Sperms are mixed with polyacrylamide beads coated with either anti-IgG, anti-IgM, or anti-IgA.
        1. Examine under the microscope, showing the beads attached to the sperm at a particular area.
        2. Result:  The presence of beads <20% of the sperms is normal.
  7. Simes-Hunter test:
    1. This post-coital test rules out any factors present in the cervical mucosa.
    2. Procedure: This is usually done in the mid-cycle ovulatory phase with maximum cervical mucus.
      1. After 2 to 3 hours of the post-coital period (after the intercourse).
      2. Expose the cervix and take mucus from the endocervix.
      3. Examined the aspirated material under the microscope.
      4. Result: Report the total number of sperms/HPF and the percentage of motile sperms.

How will you Evaluate the level of hormones in Males?

How will you estimate Serum testosterone levels in males?

  1. This is important when the secondary sex characters’ development is deficient.
  2. I/M 5000 IU of CG (Chorionic gonadotropins) was injected to evaluate the Leydig cell function.
  3. Measure the serum testosterone level between  48 and 96 hours after the injection.
  4. Males with hypogonadism will have a decreased testosterone response to the injection.

How will you evaluate FSH levels in males?

  1. It will be measured in patients with a count of 5 to 10 million/mL semen.
    1. Elevated FSH level = Sertoli cell dysfunction.
    2. Males may show azoospermia.
    3. Primary germinal cell failure.
    4. Klinefelter syndrome.
  2. Elevated FSH + LH + low testosterone + oligospermia in males = Primary testicular failure or andropause (decreased sexual satisfaction, reduced body hairs).

How will you assess abnormal semen?

  1. Decreased count of sperm:
    1. There may be a lack of seminal fluid nutrients for the sperm-like fructose.
    2. Advise fructose level and test.
  2. Decreased motility with normal count:
    1. There is a viability issue.
    2. Advise Eosin-nigrosin test.
  3. Normal count with continued infertility:
    1. Check for the female antisperm antibodies.
    2. Advise immunobead test.
    3. Check for sperm agglutination with female serum.
  4. Decreased motility with clumping:
    1. There may be male antisperm antibodies.
    2. Mix sperm with male serum for agglutination.
    3. Advise Immunobead test.
    4. Advise mixed agglutination reaction.

How will you summarise male infertility factors?

Abnormality in the fertilizing organs Causes or etiology of infertility
  • Abnormal spermatogenesis
  1. Chromosomal abnormality
  2. Orchitis due to mumps
  3. Cryptorchidism
  4. Unexplained azoospermia
  5. Chemical or radiation exposure
  • Abnormal motility of the spermatozoa
  1. Presence of the antibody formation
  2. Absent cilia (Kartegener’s syndrome)
  • Anatomical abnormalities
  1. Obstructed vas deference
  2. Congenital abnormality of the ejaculatory system
  3. Congenital absence of the vas deference
  4. Retrograde ejaculation
  5. Varicocele
  • Endocrine abnormalities
  1. Testicular failure
  2. Hypothalamic disorders (Kallmann’s syndrome)
  3. Pituitary failure by tumors, radiation, and surgery
  4. Thyroid disorders
  5. Adrenal hyperplasia
  6. Exogenous androgens
  7. Hyperprolactinemia by drugs or tumors
  • Psychosocial factors
  1. Decreased libido
  2. Impotence (unexplained)

How will you do Female Workup for Fertility?

  1. In females, mostly infertility factors are attributed to ovaries and hormones in almost 30% of the cases.
  2. While the pelvic factors include fallopian tubes and cervix.
  3. Uterine diseases account for almost 50% of the cases.
  4. Immunological factors are involved in roughly 5% of infertile ladies.
Workup of Infertile Couple: Female infertility causes

Workup of Infertile Couple: Female infertility causes

 

  1. Ovarian dysfunction can develop regardless of whether the female has regular menses, making it difficult to diagnose ovarian dysfunction.
  2. Product of conception (PCO) results in androgen excess is the most common cause of anovulation.
  3. Ovulatory dysfunction is caused by liver and thyroid diseases.

How will you Evaluate female infertility?

  1. It includes the detailed history of the patient and physical examination.
  2. If you find the obvious cause, then treat that.
  3. In the case of abnormal menstrual history, further evaluation of the hormones is done.

How will you perform the Post-coital test?

  1. The post-coital test is the quick assessment of multiple factors affecting fertility.
  2. Procedure: Collect the post-coital cervical mucus in the middle of the cycle.
    1. Place it on the glass slide with two coverslips.
    2. The mucus with adequate estrogen stimulation is clear and thin.
    3. This mucus forms a 6 cm or greater thread in length when the coverslips are separated from the slide.
    4. When examined under the microscope, air-dried mucus, which has an adequate estrogen effect, forms a fern-like pattern.
    5. Before mucus gets dried, >20 motile sperms are seen under a microscope/HPF.

How will you assess Progesterone levels in females?

  1. Measurement of the progesterone level is the primary assay used to evaluate ovulation.
  2. After ovulation, the blood progesterone level rises, and the peak is within 5 to 9 days ( day 21 to day 23).
  3. If there is no ovulation, then there is no formation of the corpus luteum and no rise in the progesterone hormone.
  4. A progesterone level of >10 ng/ml suggests normal ovulation.
    1. While a progesterone level of <10 ng/mL indicates an anovulatory cycle.
Female infertility, progesterone and LH surge to guide for ovulation

Female infertility, progesterone, and LH surge to guide for ovulation

How will you assess luteinizing hormone (LH) surge?

  1. LH appears in the urine just after the physiologic LH surge, which occurs 24 to 36 hours before ovulation.
  2. LH surge confirms the ovulation and guides the time for intercourse.
  3. There are kits available to check the LH surge and find the time of ovulation.

What are the Hormonal changes in females?

FSH (Follicular stimulating hormone):

  1. In the case of primary ovarian failure (Hypergonadotropic hypogonadism), there is repeatedly elevated basal FSH level (>30 IU/L).
  2. Or a single elevated level of >40 IU/L.
  3. Patients with hypergonadotropic hypogonadism also have low estrogen levels (Hypoestrogenic). These patients have estradiol <20 IU/L.

Hypogonadotropic (hypogonadism) case shows:

  1. Estradiol = <40 pg/mL  (110 pmol/L).
  2. LH = <10 IU/L (LH level is decreased).
  3. FSH = <10 IU/L (FSH level is decreased).

Prolactine level:

  1. Hyperprolactinemia causes hypergonadotropic hypogonadal infertility in these patients.
  2. Prolactin levels may be high in patients taking drugs like antidepressants, cimetidine, and methyldopa.
  3. Prolactin level will be raised in products of conception (PCOS).

TSH (Thyroid-stimulating hormone):

  1. TSH level should be measured to rule out hypothyroidism.

Pituitary gland:

  1. Radiographic imaging is needed to rule out pituitary adenoma or empty sella syndrome.

How will you summarize female infertility factors?

Etiological factors Causes (Etiology)
  • Uterine factors
  1. Endometritis  or abnormal endometrium
  2. Congenital malformations
  3. Adhesions
  4. Leiomyoma
  • Cervical factors
  1. Abnormal mucus viscosity
  2. Stenosis of the cervix
  3. Infections or inflammatory diseases of the cervix
  • Fallopian tubes abnormalities
  1. Salpingitis (due to any infections)
  2. Scarring of the fallopian tubes
  3. salpingitis isthmica nodosa
  • Ovarian abnormalities
  1. Polycystic ovary
  2. Obesity
  3. Premature ovarian failure:
    1. Due to autoimmunity
    2. Cytotoxic chemotherapy
    3. Ovarian tumors
  4. Menopause
  5. Gonadal dysgenesis
  • Hormonal factors
  1. Thyroid diseases
  2. Liver diseases
  3. Androgens excess
  • Immunological factors
  1. Antisperm antibodies
  • Hypogonadotropic hypogonadism
  1. Hypothalamus insufficiency (Kallmann’s syndrome)
  2. Hyperprolactinemia (Tumors and drugs)
  3. Pituitary insufficiency due to:
    1. Necrosis
    2. Thrombosis
    3. Exercise
    4. Stress
    5. Anorexia
    6. Tumors
  • Hypergonadotropic hypogonadism
  1. Luteal phase deficiency
  2. Resistant ovary syndrome
  3. Gonadal dysgenesis
  • Psychosocial problems
  1. Anorgasmia (can not get orgasm instead of stimulation; this is common in females)
  2. Decreased libido (This is a sexual desire)
  3. Iatrogenic factors (Inadvertent effects caused by doctor or medication)

Questions and answers:

Question 1: What is the value of fructose in the semen?
Show answer
The low or absent fructose value in seminal fluid leads to low sperm concentration in the semen.
Question 2: What is the value of raised FSH in males?
Show answer
Raised value of FSH indicates Sertoli cell dysfunction.
Possible References Used
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