Asthenospermia (Low Sperm Motility) Treatment
Written & medically reviewed by Dr. Shaivalini Kamarapu
MBBS · MS (Obstetrics & Gynaecology) · Fellowship in Reproductive Medicine · 20+ years of clinical experience
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What is asthenospermia (low sperm motility)?
Asthenospermia — also called asthenozoospermia, or low sperm motility — is a condition in which sperm have a reduced ability to move effectively. Since proper movement is essential for reaching and fertilising an egg, this can meaningfully affect the chances of natural conception, even when sperm count and shape fall within normal ranges.
Sperm affected by asthenospermia may swim slowly, move abnormally, or fail to progress forward, meaning fewer of them are able to make the full journey to the egg.
How asthenospermia affects fertility
Infertility is defined as not conceiving after 12 months of regular, unprotected intercourse
Poor sperm movement makes it harder for sperm to travel through the reproductive tract and reach the egg
Even with a normal sperm count, low motility alone can reduce the chance of fertilisation
Fertility challenges are often multifactorial — motility, shape, concentration, and female reproductive health all play a part
Asthenospermia is typically assessed alongside other fertility parameters, not in isolation
Who should consider testing?
Consider an evaluation if you and your partner have been trying to conceive for more than a year without success, if earlier fertility treatments haven't worked, or if any of the following apply:
A semen analysis indicates reduced sperm motility
You've experienced repeated IVF or IUI treatment failures
There's a known family history of male infertility
You have lifestyle risk factors such as smoking, obesity, or high stress
You've had a previous testicular injury or reproductive tract infection
You've been diagnosed with varicocele or a hormonal imbalance
Complications associated with asthenospermia
Decreased fertility potential
Longer time required to achieve pregnancy
Higher reliance on assisted reproductive techniques
Emotional and psychological stress
Strain on relationships from ongoing fertility concerns
Increased risk of recurrent pregnancy loss
Diagnosis of asthenospermia
Semen analysis
The primary test — assesses sperm count, motility, and morphology to identify reduced movement.
CASA (computer-assisted analysis)
An objective, observer-independent assessment that measures sperm velocity and advanced parameters like the sperm motility index, useful for guiding treatment choice.
Hormonal tests
Blood tests evaluate testosterone and other hormones tied to sperm production.
Genetic testing
May be recommended to detect inherited conditions that can affect sperm motility.
Treatment of asthenospermia
Lifestyle modifications
A balanced diet, regular activity, avoiding excessive heat, limiting alcohol, quitting smoking, and managing stress can all support sperm motility.
Hormonal therapy
Medication or hormone therapy can restore normal hormone levels and support sperm production when an imbalance is identified.
Treatment of infections
Appropriate antibiotics or antivirals treat identified infections and help improve sperm health.
Varicocele repair
Surgery may be considered for severe varicoceles (grade 3 or 4), though it mainly improves sperm count — its effect on motility specifically can be limited.
Antioxidant supplements
Vitamin C, Vitamin E, Coenzyme Q10, L-carnitine, and astaxanthin may help reduce oxidative stress and support sperm function.
Genetic counselling
Helps patients understand hereditary risks when a genetic cause is identified, and explore family planning options.
Assisted reproductive technologies
IVF or ICSI may be recommended in severe cases, fertilising the egg in a controlled environment before embryo transfer.
Empirical treatment
When no clear cause is found, treatment may still begin using medications or supplements aimed at improving motility generally.
How to help prevent asthenospermia
Maintain a healthy lifestyle — balanced diet, regular exercise, and healthy weight
Avoid excessive heat exposure, including hot tubs and saunas
Quit smoking
Limit alcohol and avoid recreational drug use
Manage stress with proven techniques
Practise safe hygiene and treat reproductive tract infections promptly
Reduce exposure to environmental toxins, chemicals, and pesticides
Treat conditions like varicocele or hormonal imbalance early
Attend regular medical and fertility check-ups
Consider genetic counselling if there's a family history of male infertility
FAQs related to low sperm motility
Yes — very long or very short abstinence periods can affect sperm quality. Moderate abstinence, as advised by your specialist, gives the most accurate motility assessment.
Natural conception may still happen in mild to moderate cases. Fertility treatment becomes more relevant when motility is significantly reduced or pregnancy is delayed.
Natural conception is extremely unlikely in that case, but advanced treatments like ICSI can still achieve fertilisation.
For idiopathic asthenospermia, options include lifestyle changes, antioxidant therapy, medical management, and assisted reproductive techniques based on individual goals.
When the percentage of actively moving sperm falls below normal reference values on semen analysis.
Not always — many cases improve with appropriate treatment, lifestyle changes, or medical intervention, depending on the underlying cause.
Highly processed foods, excessive sugar, trans fats, and excessive alcohol may negatively affect sperm health and are worth limiting.
Some genetic conditions can affect motility, but not all cases are hereditary — proper evaluation helps determine the cause.
In some moderate cases, regular, well-timed intercourse may help by ensuring fresher sperm with better movement.
You can schedule a consultation at either the Attapur or Puppalaguda branch by contacting the hospital directly, and it helps to bring any previous fertility records.