Have you received a semen analysis report showing abnormal sperm morphology? Are you concerned about how sperm shape may affect your chances of pregnancy?
Abnormal sperm shape does not automatically mean you cannot conceive. Understanding your report and identifying any underlying fertility concerns can help you explore suitable options.
At NeoWomans, Pune, Dr. Chaitanya Ganapule can help couples understand their fertility concerns and discuss appropriate evaluation and treatment options based on their individual needs.
Abnormal sperm morphology means that a higher proportion of sperm have structural differences from the forms considered normal under laboratory assessment. This condition is also known as teratozoospermia.
Sperm abnormalities may involve:
The head may be unusually large, small, irregular or differently shaped.
The middle portion may have structural differences.
The tail may be short, bent, coiled or irregular.
A sperm cell may show changes in more than one area.
A semen analysis measures the percentage of sperm classified as normal forms. An abnormal result should be interpreted alongside the other semen parameters and your fertility history.
Sperm morphology refers to the size, shape and structure of sperm cells.
A normally shaped sperm typically has an oval head, a midpiece and a tail that supports movement.
These structures play different roles in sperm function, including movement and fertilisation of an egg.
Sperm morphology is one part of a semen analysis. Sperm count, motility and other fertility factors are also important.
The World Health Organization’s sixth-edition laboratory manual gives approximately 4% normal forms as the lower fifth-percentile reference value for sperm morphology.
This does not mean that 96% abnormal forms automatically indicate infertility. Sperm shape varies, and the reference value is not a strict boundary between fertile and infertile men.
Your doctor will interpret the report alongside sperm count, motility, medical history and other relevant findings.
Abnormal sperm morphology may be associated with several medical, environmental and lifestyle factors.
Possible contributing factors include:
Excess oxidative stress may affect sperm cells.
These may negatively affect sperm quality.
Heavy alcohol use may affect reproductive health.
Enlarged veins around the testicles may affect sperm production.
Certain infections may influence sperm health.
High temperatures around the testicles may affect sperm development.
Certain hormonal, genetic or testicular conditions may affect sperm formation.
Some medicines, chemotherapy and radiation may affect sperm production.
In many cases, the exact cause cannot be identified. Your doctor can assess whether further investigation is needed.
Certain factors may be associated with an increased risk of poor sperm morphology.
These include:
Having one or more risk factors does not necessarily mean that you will have abnormal sperm morphology.
Abnormal sperm morphology usually does not cause noticeable symptoms.
Most men discover the condition during a fertility assessment.
Possible reasons for seeking testing include:
Sperm shape cannot be assessed reliably through appearance or physical symptoms alone. A laboratory semen analysis is required.
Treatment depends on the severity of the findings, the possible cause, other semen parameters and the couple’s pregnancy goals. There is no single treatment that is suitable for every case of abnormal sperm morphology.
The aim is to identify treatable conditions where possible and determine whether natural conception or assisted reproductive treatment may be appropriate.
If a treatable medical condition is identified, your doctor may recommend appropriate treatment. For example, a confirmed infection may require specific medication. Treatment should be based on the diagnosis rather than the semen report alone.
If a clinically significant varicocele is present alongside infertility and abnormal semen parameters, a specialist may discuss treatment. The decision depends on examination findings, fertility goals and other clinical factors. Treatment may improve semen parameters in selected men, but improvement in sperm morphology or pregnancy outcomes is not guaranteed.
Your doctor may recommend lifestyle changes to support reproductive health. These may include stopping smoking, limiting alcohol, maintaining a healthy weight, exercising regularly and avoiding excessive heat exposure. Lifestyle changes support general health but cannot guarantee that sperm morphology will return to normal.
Medicines may be recommended when a specific underlying condition requires treatment. Antioxidant supplements are sometimes considered for male fertility, but evidence of their benefit varies. Avoid self-prescribing fertility medicines, testosterone or supplements. Some treatments may be ineffective or may negatively affect sperm production.
IUI may be considered when the overall fertility assessment suggests that it is suitable. The decision depends on sperm count, motility, the number of motile sperm after laboratory processing and the female partner's fertility factors. Abnormal sperm morphology alone does not determine whether IUI is appropriate.
IVF may be considered when other fertility factors or the overall assessment indicate that assisted reproduction is appropriate. Eggs and sperm are brought together in a laboratory to allow fertilisation. The treatment plan depends on the couple's fertility history, age and clinical findings.
ICSI is an IVF technique in which a single sperm is injected directly into an egg. It may be considered in selected cases of male-factor infertility, including certain severe sperm abnormalities or previous fertilisation problems. However, abnormal sperm morphology alone does not automatically mean ICSI is required. Your fertility specialist can explain whether it is appropriate for your circumstances.
A fertility evaluation may be helpful if:
Your semen analysis shows a low percentage of normal-shaped sperm.
You and your partner have been trying to conceive without success.
You have abnormal sperm morphology along with low sperm count or motility.
You have a history of testicular injury, infection or surgery.
You have undergone fertility treatment without success.
You want to understand your options before planning a pregnancy.
Both partners should be assessed when appropriate. Fertility difficulties may involve male factors, female factors or a combination of both.
Diagnosis usually begins with a semen analysis and a review of your reproductive and medical history.
Your doctor may recommend further tests depending on the report and any associated symptoms.

Semen analysis is the main test used to evaluate sperm morphology. A laboratory examines sperm cells under a microscope and assesses the percentage classified as normal forms. The report also provides information about sperm concentration, motility and other semen parameters.

Your doctor may ask about previous illnesses, medications, lifestyle habits, testicular injuries, surgeries and fertility treatment. This helps identify possible contributing factors.

A physical examination may be recommended to assess the testicles and identify conditions such as varicocele or other abnormalities.

Hormone tests may be recommended if there are signs of a hormonal problem or other abnormalities in the semen analysis. Depending on the clinical findings, tests may include FSH, LH and testosterone.

In selected cases, further investigations may be required to assess a suspected infection, genetic condition or other reproductive health concern. Not every patient needs every test. The investigation plan depends on individual findings.
The treatment process depends on the diagnosis and the option recommended for the couple.
The timeline depends on the underlying cause and the treatment used.
Sperm development takes approximately three months. Therefore, changes following certain treatments or lifestyle adjustments may take several months to appear in a semen analysis.
However, improvement in morphology is not guaranteed. Some men may continue to have abnormal morphology despite addressing possible contributing factors.
Your doctor can advise when repeat testing is appropriate.
Yes, natural pregnancy may still be possible when sperm morphology is abnormal.
The chances depend on several factors, including sperm count, motility, overall sperm function, female reproductive health and the duration of trying to conceive.
An isolated abnormal morphology result does not automatically mean that fertility treatment is necessary.
A complete assessment of both partners helps determine the most suitable next steps.
Sperm morphology may change over time, and addressing contributing factors may support overall sperm health.
You can consider the following measures:
These measures can support general wellbeing but cannot guarantee an improvement in sperm shape. If your report is abnormal, discuss the findings with a qualified healthcare professional instead of relying only on dietary changes or supplements.
Abnormal sperm morphology may be associated with male-factor fertility concerns, but morphology alone cannot reliably predict whether IVF will succeed.
The outcome also depends on factors such as sperm count, motility, egg quality, age, embryo development and other reproductive factors.
ICSI may be considered in selected cases, particularly when there are additional sperm-related concerns or previous fertilisation problems.
Your fertility specialist can explain the possible benefits, limitations and expected outcomes based on your individual reports.
An abnormal sperm shape does not automatically mean that a sperm carries genetic abnormalities or will cause a birth defect.
Sperm morphology describes the visible structure of sperm cells. It does not directly establish their genetic status.
If severe abnormalities, a suspected genetic condition or other clinical concerns are present, your doctor may recommend specialist evaluation and appropriate counselling.
At NeoWomans, fertility care focuses on understanding the factors that may affect a couple’s ability to conceive.
Your semen analysis is considered alongside your medical history, other semen parameters and relevant fertility findings.
Dr. Chaitanya Ganapule can discuss fertility evaluation and appropriate next steps based on your clinical circumstances.
You can discuss available options, their limitations and the investigations that may be needed before deciding on a treatment plan.
Fertility concerns may involve one or both partners. Evaluating both partners when appropriate supports better-informed decisions about conception and treatment.
Dr. Chaitanya Ganapule is a gynaecology and fertility specialist at NeoWomans, Pune.
Consult Dr. Chaitanya Ganapule to discuss fertility concerns, understand the evaluation process and explore suitable options for couples experiencing difficulty conceiving.
Depending on the findings, consultation with a urologist or andrologist may also be appropriate for a detailed male reproductive health assessment.
Abnormal sperm morphology means that a higher proportion of sperm have structural differences from the forms classified as normal during laboratory examination. It is also known as teratozoospermia.
The WHO sixth-edition laboratory reference gives approximately 4% normal forms as the lower fifth-percentile value. This is not a strict boundary between fertility and infertility.
Treatment depends on the underlying cause and the complete fertility assessment. Some contributing conditions can be treated, but there is no universal treatment that guarantees normal sperm morphology.
Yes, natural pregnancy may still be possible. The chances depend on other semen parameters, sperm function, female reproductive health and additional fertility factors.
Possible contributing factors include oxidative stress, varicocele, certain infections, lifestyle factors, excessive heat exposure, medical treatments and genetic conditions. Sometimes, no clear cause is identified.
Semen analysis is the main test. A laboratory examines sperm under a microscope and measures the percentage classified as normal forms.
No. Abnormal morphology alone does not establish infertility. It must be interpreted alongside sperm count, motility, reproductive history and the fertility assessment of both partners.
Sperm parameters may change over time. Healthy lifestyle habits can support general reproductive health, but no lifestyle change or food can guarantee normal sperm morphology.
Changes may take several months to become apparent because sperm development takes approximately three months. The actual timeline depends on the cause and treatment, and improvement is not guaranteed.
Certain nutrients are important for general health, but supplements have variable evidence for improving male fertility. Consult your doctor before taking fertility supplements.
No. IVF is not required in every case. Depending on the complete fertility assessment, natural conception, IUI, IVF or ICSI may be discussed.
ICSI may be appropriate in selected cases of male-factor infertility. Abnormal morphology alone does not automatically require ICSI; the decision depends on the overall clinical picture.
Sperm abnormalities may be associated with certain fertility concerns, but morphology alone cannot establish the cause of a miscarriage. Recurrent pregnancy loss requires an appropriate evaluation of both partners.
The cost depends on the investigations and treatment required. Consultation, semen analysis, blood tests, medicines, IUI, IVF and ICSI have different costs. Contact NeoWomans for current fees and an individual estimate.
A fertility specialist can help coordinate a couple's fertility evaluation. A urologist or andrologist may also be needed for detailed male reproductive health assessment. At NeoWomans, Dr. Chaitanya Ganapule can discuss fertility concerns and appropriate next steps.
Consider an evaluation if a semen analysis shows abnormal morphology, particularly if you have been trying to conceive without success. Couples are generally advised to seek evaluation after 12 months of trying, or after six months when the female partner is aged 35 or older. Earlier assessment may be appropriate when known fertility problems or other risk factors exist.
An abnormal sperm morphology report can raise questions, but it does not tell the whole story about your chances of conception. Understanding the results and evaluating both partners can help you make informed decisions about your fertility journey. Consult Dr. Chaitanya Ganapule at NeoWomans to discuss fertility concerns, investigations and suitable next steps.