Norwood Classification Of Hair Loss In Men

Norwood Classification – Male Pattern Baldness Stages

It’s no more under the wraps that men with a receding hairline are on the verge but reliable path to baldness, although most of the men must be capable to sustain a decent fallen halo of hair at the back and around the sides.

Male pattern baldness is a stereotypical hair loss diagnosis in men. As a set rule it begins at both the temples then crown of the scalp and then progresses over time, the two thinning areas eventually meet. The deceitful relationship may have appeared to hop from nowhere but according to Dr. O’Tar Norwood it was an inevitable connection just marking time to blossom.

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    • Class I
    • Class II
    • Class III
    • Class III Vertex
    • Class IV
    • Class V
    • Class VI
    • Class VII


    • Represents an adolescent or juvenile hairline and is not actually balding. The adolescent hairline generally rests on the upper brow crease.
    • Indicates a progression to the adult or mature hairline that sits a finger’s breath (1.5cm) above the upper brow crease, with some temporal recession. This also does not represent balding.
    • The earliest stage of male hair loss. It is characterized by a deepening temporal recession.
    • Represents early hair loss in the crown (vertex).
    • Characterized by further frontal hair loss and enlargement of vertex, but there is still a solid band of hair across the top (mid-scalp) separating front and vertex.
    • The bald areas in the front and crown continue to enlarge and the bridge of hair separating the two areas begins to break down.
    • Occurs when the connecting bridge of hair disappears leaving a single large bald area on the front and top of the scalp. The hair on the sides of the scalp remains relatively high.
    • Patients have extensive hair loss with only a wreath of hair remaining in the back and sides of the scalp.

    The Norwood Scale by Dr. O’Tar is a set of images that portrays the different stages of male pattern hair loss. Now, whether they attempt to ignore the condition or not, most men know what to anticipate when they notice the early signs of hair loss, so what’s the point of such images or classification diagram that only depicts the obvious?

    Well, the degree to which men lose hair varies tremendously. Male pattern hair loss can take its toll as early as puberty and while some men may fall out excessive hair rapidly in their mid 20’s up to a Type 3 or Type 4, others may have no traceable rate of hair loss until they enter their 50’s, only to progress to a Type 6 or Type 7 in merely a few years.

    Importantly, the scale is used to evaluate how advanced a man’s hair loss is. This indicates that the higher the shed count, the more advanced the loss. And if a man begins to thin, bald, or recede early in life, there are chances that you are destined to lose quite a bit of hair. Norwood explains the 7 stages of hair loss in men.

    So, estimate yourself how bald are you with this Norwood’s scale.


    • Type I –
    • Type II –
    • Type III –
    • Type III vertex –
    • Type IV –
    • Type V –
    • Type VI –
    • Type VII –


    • Slightest hair loss with minimum damage to follicles
    • Hair loss occurs at the temples.
    • This is the primary stage of hair loss that needs treatment.
    • Thinning of hair on the vertex along with receding hairline.
    • Much larger pattern grows on the vertex and hairline.
    • Balding Patterns at both sites are larger but a thin division line still exists.
    • The Bridge goes away but few strands of short, fine hair are still present.
    • This is the stage of most severe hair loss. Only a few hairs on the top or front of the head remain in this phase.

    Diagnosis Of Hair Loss In Men

    Typical androgenetic alopecia or male patterned baldness in men is generally diagnosed based on the appearance and patterned distribution of the hair loss, along with a comprehensive medical history, including details about the prevalence of hair loss in the family. It is usually straightforward by noticing the presence of miniaturized hair in the areas of thinning. Miniaturization is a progressive decrease in the hair shaft’s length and diameter that takes place in response to androgens.

    What Diagnosis of Hair Loss in Men?

    An experienced and skilled dermatologist or hair transplant surgeon must examine the scalp under magnification preferably using a device called a “video densitometer” to ascertain the level of miniaturization of the hair follicles. This device magnifies a little portion of the scalp where the hair has been clipped to about 1mm in length. Through the densitometer, dermatologists assess if the scalp is normal, has healthy terminal hairs, full thickness in follicular units, with hair shafts of static diameter, or if it exhibits a scalp with decreased hair shafts sized due to miniaturization, a feature of androgenetic alopecia.

    This evaluation is quite substantial for advising upon the appropriate course of hair loss treatment. Hairs may be in inconsistent and changing states of miniaturization, but if the follicles are continually revealed to the DHT hormone, there are pretty much chances that they will at a time stop producing hairs, and the follicles will eventually disappear. The diagnosis of androgenetic alopecia is reinforced by the family history of hair loss, however, a positive history is not always recognized, and the unavailability of other medical causes of alopecia. In patients of older age (40-60 years), their personal history of traveling through the different Norwood stages is strongly indicative of male pattern alopecia.

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    Diagnosing Diffuse Hair Loss

    Because of the reason there is thinning all over the scalp rather than limited to a few particular areas as depicted by one of the Norwood patterns, diagnosis of diffuse hair loss becomes literally difficult. However, the appearance of miniaturization in the regions of thinning automatically guarantees the diagnosis of androgenetic alopecia. If the diagnosis of diffuse hair loss is still in ambiguity after using magnifying densitometry, a few other medical afflictions known to cause diffuse hair loss must be figured out, including anemia, PCOD, prostate problems, and thyroid disease. Some drugs concentrated medications taken for acute depression or high blood pressure can also cause hair loss, as can anabolic steroids. When a non-androgenetic cause for diffuse hair loss is detected, the following laboratory tests are often beneficial to identify the cause:

    • complete blood count
    • Blood chemistries
    • serum iron
    • Thyroid functions
    • lupus and syphilis tests

    Diagnostic Testing

    When the diagnosis of androgenetic alopecia is doubtful yet, additional diagnostic details can be gathered from a microscopic evaluation of the hair shaft and bulb, hair-pull test, scalp biopsy, scraping, and culture for fungus. A dermatologist consultation is highly advised whenever the cause of hair loss is uncertain.

    Male Pattern Baldness Before & After Results

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    Male Pattern Baldness FAQs

    • Can male pattern baldness grow back?
    • What is the main cause of male pattern baldness?
    • Can hair grow back after balding?
    • At what age does male pattern baldness finish?
    • Does minoxidil work forever?
    • Does anything work for male pattern baldness?
    • How long does it take for male pattern baldness to fade?
    • How common is male pattern baldness?
    • Does male baldness skip a generation?
    • Is male pattern baldness preventable?
    • How can I protect myself from male pattern baldness?
    • What Age Do Men Get Affected by Male Pattern Baldness?
    • How Do I Know if My Hair Loss is Due to Male Pattern Baldness?
    • What Are The Best Hair Loss Treatments for Male Pattern Baldness?
    • What Deficiencies Cause Hair Loss in Males?
    • Is Care Well Medical Centre a good clinic for male-pattern baldness treatment?
    • Why is Care Well Medical Centre the best clinic for male-pattern baldness Treatment in Delhi NCR?
    Can male pattern baldness grow back?

    After developing male pattern baldness, it is achievable for some men to grow new hair on their scalps, but it varies from case to case. Finasteride and minoxidil are two treatments that can promote hair growth. However, only some experience success with them. Hair loss can sometimes become irreversible. Consult a medical expert for an accurate diagnosis and available treatments.

    What is the main cause of male pattern baldness?

    Male pattern baldness, also known as androgenetic alopecia, is generally caused by the genetic hormone dihydrotestosterone (DHT). DHT is a consequence of testosterone which causes hair follicles to contract, resulting in hair growth that is thinner and shorter. Other elements like hormonal changes, stress, nutrient deficiencies, and specific medical problems can also result in hair loss.

    Can hair grow back after balding?

    Following hair loss, including balding, the scalp may experience hair growth. Depending on the specific instance and the reason for the hair loss, regeneration treatments may only sometimes be effective. You might need to attempt more than one kind of treatment to see benefits. Approaching this incredibly prevalent issue requires patience, expert diagnosis, and careful thought of all your alternatives.

    At what age does male pattern baldness finish?

    Depending on the person, the age at which male pattern baldness stops progressing can change. Sometimes, baldness in men can occasionally halt in the early 20s, but it can also last long into the 70s in some individuals. Genetics and other variables influence the pace of hair loss and the age at which it ends.

    Does minoxidil work forever?

    The advantages of minoxidil are not permanent, and after you stop using the medication, you will probably start balding again naturally, losing any benefits you may have had from the medication. Because minoxidil is a drug that is given topically to the scalp, it is not a treatment for hair loss but instead aids in male pattern baldness hair regrowth.

    Does anything work for male pattern baldness?

    The hair follicles can be stimulated by applying Minoxidil (Rogaine) solution directly to the scalp or by taking Finasteride, a medication that prevents hair loss by preventing the hormone DHT from being produced. Scalp micropigmentation, scalp micro-needling, low-level laser therapy, and platelet-rich plasma therapy are non-medical possibilities (PRP). A hair transplant is a surgical option to cure men’s hair fall.

    How long does it take for male pattern baldness to fade?

    Initial effects reflect roughly within 4 months, and hair growth can take up to one to two years. It’s also important to remember that hair regrowth is a gradual process that needs patience and can take months before visible benefits become apparent. To sustain the regrowth, you will typically need to continue the procedure for several months.

    How common is male pattern baldness?

    Up to one in two males over the age of 40 experience male pattern baldness, which is a prevalent disorder. It is characterized by pattern balding on the scalp, like a thinning crown of the head or a receding hairline. A combination of genetic and hormonal variables contributes to the condition’s development.

    Does male baldness skip a generation?

    Male pattern baldness is a complicated and not fully understood hereditary pattern. It is a polygenic trait, meaning several genes impact it instead of just one. Hormones, particularly dihydrotestosterone, impact this illness (DHT). Given that several genes are involved, male pattern baldness can skip a generation.

    Is male pattern baldness preventable?

    Since male baldness is genetically inherited, you cannot avoid it. Maintaining a healthy diet and way of life will help you improve all aspects of your health, including the condition of your hair. When hair loss is still minimal, several treatments for male baldness are more effective. Getting the appropriate help is essential as soon as hair loss starts.

    How can I protect myself from male pattern baldness?

    You cannot prevent male baldness in any known way. To slow the pace of hair loss, you can maintain a nutritious diet and get adequate rest and exercise. Avoid harsh hairstyles and treatments or drugs that could accelerate hair loss. And most importantly, try to stay stress-free, as stress contributes to hair loss in a significant way.

    What Age Do Men Get Affected by Male Pattern Baldness?

    It takes years for the condition to become apparent and tends to advance slowly. By the time men reach their 50s, most will have lost some hair, but some may have noticed it as early as their 20s. It’s vital to consult a doctor to determine if baldness is hereditary or if there are other reasons.

    How Do I Know if My Hair Loss is Due to Male Pattern Baldness?

    The hairline is where the male baldness pattern starts. Beginning to thin, recede, or disappear is the hair on the temples. The hairline gradually assumes the shape of an “M.” The vertex, a circular region on the back of the head, frequently shrinks and grows with time. The top of the head starts to lose hair, forming a “U” shape.

    What Are The Best Hair Loss Treatments for Male Pattern Baldness?

    An over-the-counter topical medication called minoxidil might aid in promoting hair growth. Results can be seen with finasteride, an oral prescription medicine that prevents the production of DHT. Hair follicles are removed from one part of the scalp and surgically transplanted to a balding area in a technique known as a hair transplant. A further well-liked choice is laser therapy.

    What Deficiencies Cause Hair Loss in Males?

    Male pattern baldness can result from several diseases, including dietary shortages (such as iron, zinc, or biotin). Hormonal imbalances, genetic susceptibility (androgenetic alopecia), and medical conditions (such as thyroid disease or autoimmune disorders) are also among other causes. Biotin, folate, vitamin B12, and riboflavin deficits have also been linked to hair loss causes. To get advice, speak with a doctor.

    Is Care Well Medical Centre a good clinic for male-pattern baldness treatment?

    Certainly! Care Well Medical Centre is an excellent clinic for male pattern baldness treatment. Patients get in-depth consultation, appropriate treatment, careful after-treatment, and the best results. Plus, the charges are at par with the industry. Overall, picking Care Well Medical Centre for your treatment puts you in the highly experienced hand of Dr. Sandip Bhasin, the best cosmetic surgeon in Delhi.

    Why is Care Well Medical Centre the best clinic for male-pattern baldness Treatment in Delhi NCR?

    Care Well Medical Centre is an ideal choice if you are looking for a clinic in Delhi for treating male pattern baldness. It provides you with quality services at pocket-friendly prices. The expertise of surgeons here is unmatched. They follow a client-centric approach and aspire to serve them with the best possible solutions for their cosmetic problems.

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