- Defining male infertility
- Causes of male infertility
- Factors that increase the risk of male infertility
- Symptoms of male infertility
- Diagnosis of infertility
- Treatment of male infertility
- Complications associated with male infertility
- Frequently asked questions
Infertility is known to affect one in six couples. And one in three couples faces difficulty in conceiving due to male fertility problems (1).
It is needless to say that male fertility is as important as female fertility for a couple to conceive and have children. When is a male termed infertility, what are its causes, and what can you do about it?
Defining Male Infertility
Experts define male infertility as the inability of a man to impregnate a woman even after one year of unprotected sexual activity. It mostly depends on the quality and quantity of his sperm (2).
Causes Of Male Infertility
Male infertility occurs if the number of sperms ejaculated is low, or if they are of poor quality. Without healthy sperms, the chance of conceiving is almost none.
Hormones can affect fertility by bringing down sperm motility (movement) and count.
A man’s lifestyle, physical problems, and psychological or behavioral health concerns can all influence the health of his fertility (3). Let’s see some of the most influential factors:
|Physical, psychological and behavioral problems|
Certain factors increase a man’s risk of being infertile.
[ Read: Fertility Drugs For Men ]
Factors That Increase The Risk Of Male Infertility
- The risk factors include (4):
- Prior infections
- Genital exposure to high temperatures
- A family history of fertility disorders
- Mumps after puberty
- Prior vasectomy or pelvic or abdominal surgery
- Tumors or other chronic illnesses
- Taking certain prescription medications or undergoing medical procedures
How does one know if these factors or the previously mentioned causes have led to infertility? In most cases, the inability to conceive is the only sign of infertility (5). However, in some cases, the underlying hormonal or physical problems show a few other signs.
Signs Of Male Infertility
Some possible signs and symptoms could be (6).
- Difficulty in erection or ejaculation, ejaculating low fluids and low sexual desire
- Pain, lump or swelling in the testicle region
- Abnormal breast growth
- Decreased body or facial hair
- Reduced muscle mass
- Recurrent respiratory infections
- Lower sperm count
If you are unable to conceive and/or facing any of the above issues, then see a healthcare provider for diagnosis of the problem.
How Is Male Infertility Diagnosed?
Both the partners may have to get the diagnosis done. The initial diagnosis includes an analysis of the medical history, physical examination, and common lab tests, and probably a few semen tests (7) (8).
Medical history analysis includes:
- A complete review of past conditions, medications, and surgeries
- Knowing about the family history of infertility or birth defects
- A review of social history and exposure to occupational hazards to understand if they had an impact on fertility
- A review of sexual habits and practices
Physical examination evaluates the genitals including the penis, testes, scrotum, and prostate.
Laboratory tests include:
- Urinalysis to detect the presence of infections.
- Semen analysis to evaluate the motility (movement), shape (morphology), and maturity of the sperm, the volume and liquidity of ejaculation, and the actual sperm count. The sperm counts mostly fluctuate from one analysis to the other. Therefore, multiple semen evaluations are done over a period to get accurate results.
- Hormonal tests to evaluate the levels of testosterone and follicle stimulating hormone (FSH) to understand the overall hormonal balance and state of sperm production. Sometimes, the initial hormonal testing indicates the need for other hormonal tests such as serum luteinizing hormone and prolactin.
If the above diagnostic tests are unable to determine the condition, further testing is done to identify the cause of infertility.
- Scrotal ultrasound uses high-frequency sound waves to detect obstructions or problems in the testicles and other supporting structures.
- Transrectal ultrasound is done by inserting a tiny and lubricated wand into the rectum to check the prostate and tubal blockages (ejaculatory ducts and seminal vesicles) that they might carry.
- Post-ejaculation urinalysis helps detect the sperm in the urine indicating retrograde ejaculation, where the sperm travels backward into the bladder.
- Seminal fructose test checks if seminal vesicles are producing fructose in the semen. The fructose sugar provides energy to the sperm.
- Semen leukocyte analysis checks for white blood cells in the semen.
- Anti-sperm antibodies test looks for the presence of antibodies that could cause infertility.
- Sperm penetration assay (SPA) identifies the ability of the sperm to fertilize.
- Kruger and the World Health Organization (WHO) morphology detects the sperm morphology and motility closely.
- Testicular biopsy checks for the impairment or a blockage in sperm production.
- Vasography detects the structure of the ducts and finds obstructions.
- Genetic testing identifies mutations in gene regions of Y chromosome and diagnoses various inherited or congenital syndromes.
The treatment depends on the cause of infertility.
Treatment for Male Infertility
Male infertility is treatable with medications and other options. In some cases, where the treatments do not work, the couple may have to go for sperm donors or adopt a child.
Medications and devices:
- Gonadotropin injections are suggested for hypogonadism to improve fertility. They trigger sexual glands to produce testosterone and sperm (9).
- Pseudoephedrine medications work in treating retrograde ejaculation. They close the opening of the bladder thereby helping the sperm to ejaculate through the penis (10).
- Sildenafil (Viagra) helps treat the ejection issue (11).
- In the case of problems with erection, your doctor might suggest you try a vacuum pump. You need to place the pump over the penis and pump the air out to create a vacuum. It causes the blood to shift into the penis, thus erecting it. A constriction band is placed at the base to maintain the erection (12).
- Variocele (swollen veins in the scrotum) is corrected through surgery to improve the quality of your sperm.
- Obstructive azoospermia is surgically treated by removing the blockage.
- Vasectomy (surgery that stops sperm from going into the semen) can also be reversed.
Assisted reproductive technologies (ARTs)
If the above treatments have not worked, your doctor would suggest ARTs. These are powerful and high-technology based options that offer an extra boost to the sperm to move into an egg. The sperm is collected from ejaculated semen or through a needle from the testicle. It is then processed and released into eggs through several methods (13).
- Intrauterine inseminations (IUI): The sperm (yours or the donor’s) is directly injected into the uterus during ovulation. Your partner would be given medications to trigger ovaries for increasing the number of eggs. This option is recommended if there is a problem with erection, and having sex is difficult.
- In-vitro fertilization (IVF): The sperm is combined with the partner’s eggs in a test tube. They are made to fertilize and form embryos. The embryos are then placed in the uterus.
- Intracytoplasmic sperm injection (ICSI): A single sperm is injected into an egg through a small needle, and made to fertilize. The fertilized embryo is then transferred into the uterus. It is usually recommended when the sperm count is low or the sperm is abnormally shaped.
What can you do at home?
You might take a few steps at home to improve your chances of conceiving.
- Have unprotected sex during ovulation when there is a high chance of fertilization. It happens in the middle of the menstrual cycle.
- Do not use lubricants as they will impair sperm function and motility. Avoid products such as Astroglide, K-Y jelly lotions and saliva.
Are There Any Complications Associated With Male Infertility?
Yes, male infertility increases the risk of:
- Inherited disorders including Klinefelter syndrome and cystic fibrosis
- Hormonal abnormalities
- Cancers, such as melanoma, testicular, colorectal and prostate
- Stress and difficulty in relationships
Next, we answer a few queries our readers frequently ask us.
Frequently Asked Questions
1. Can chlamydia cause infertility in males?
Chlamydia is a sexually transmitted bacterial infection that spreads to testicles and epididymis (tubes that hold testicles and carries sperm), causing swelling and soreness. If this inflammation is not treated on time, it could cause infertility (13).
2. How does mumps cause infertility in men?
If you had contracted mumps as a teenager or adult, you are likely to have fertility issues later in life. Mumps could affect reproductive glands causing them to swell and shrink. It also reduces the sperm count (15).
[ Read: Yoga Asanas That Boost Fertility ]
3. Is male infertility a genetic problem?
Male infertility is not always a genetic problem. However, some changes in the chromosomes or gene mutations could affect sperm production leading to infertility. The genetic causes include Y chromosome deletions, sex chromosome anomalies and partial deletions (16).
Infertility could lead to emotional issues in men just like in women. They find it difficult to open up due to the fear of being judged and ridiculed. Men with infertility issues have a lower sexual and personal quality of life compared with those without the infertility factor (17).
Therefore, avoid such mental baggage by doing yoga and meditation, reaching out to your family and friends, and seeking help from support groups. Remember, you always have an option to adopt an underprivileged child and give them a better life.
Do you have any experiences to share? Let us know in the comment section below.
2. Male infertility; National Institutes of Health (2018)
3. What treatment options are available for male infertility; NIH (2016)
4. A closer look at male infertility; The University of Utah (2015)
5. What causes male infertility; Stanford
6. Infertility risk factors for men and women; University of Rochester Medical Center (2018)
7. Christopher L R Barratt, et al.; The diagnosis of male infertility: an analysis of the evidence to support the development of global WHO guidance—challenges and future research opportunities; Oxford Journals, Human Reproduction Update
8. S. L. Chan; Male infertility: diagnosis and treatment; The College of Family Physicians of Canada
9. Stamatios Karavolos et al.; Assessment of the infertile male; Royal College of Obstetricians and Gynaecologists (2013)
10. Mikkel Fode et al.; Male sexual dysfunction and infertility associated with neurological disorders; Florida International University (2012)
11. Rendell MS et al.; Sildenafil for treatment of erectile dysfunction in men with diabetes: a randomized controlled trial. Sildenafil Diabetes Study Group; JAMA (1999)
12. Sexual dysfunction; Wayne State University (2017)
13. An overview of cancer related infertility for men; University of Michigan Comprehensive Cancer Center (2011)
14. Complications – Chlamydia; NHS (2018)
15. M Masarani et al.; Mumps orchitis; J R Soc Med (2006)
16. D Plaseska-Karanfilska et al.; Genetic Causes of Male Infertility; Balkan J Med Genet (2012)
17. James F. Smith etal.; Sexual, marital, and social impact of a man’s perceived infertility diagnosis; J Sex Med (2010)
18. D Plaseska-Karanfilska et al.; Genetic Causes of Male Infertility; Balkan J Med Genet (2012)
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