Tuesday, February 17, 2015

Micropenis Hormone Treatment for Adults

hcg injections may hold the potential to treat micropenis in adults
In today's post we will examine the findings of a study published in 2011 that has some very promising results regarding adults with the micropenis condition.

The name of the study is "Penile Growth in Response to Human Chorionic Gonadotropin (hCG) Treatment in Patients with Idiopathic Hypogonadotrophic Hypogonadism" and the abstract can be accessed here.

It is long known that the standard testosterone treatment applied on pre-puberty boys with a micro-penis yields no penile growth when delayed and given instead during adulthood..

This is why adult males with a very small penis are left with little options (surgery) regarding their condition. However, this study shows that a different hormone approach may have the potential to induce penile growth after puberty.

In this study, a total of 20 males with idiopathic hypogonadotrophic hypogonadism participated. All of them presented with the micropenis condition as well. The mean age of the group was 18.9, with the youngest man being 12 and the oldest 24 years old. The participants received intramuscular injections of 1,500 IU to 2,000 IU hCG (Human chorionic gonadotropin hormone) on a 3 times per week basis, for a total of 2 months.

Penile lengths (flaccid and erect) were taken regularly, both during the trial and four months after the end of the treatment. All penile length measurements were taken by the same doctor. The doctor used a wooden spatula that was pressed against the pubic ramus, depressing the suprapubic pad of fat as much as possible to ensure that the whole part of the penis buried in the fat was measured. Foreskin length wasn't included.

According to the paper, the mean flaccid penis length increased from 3.39±1.03 cm to 5.14±1.39, whereas the stretched mean penis length increased from 5.41±1.43 cm to 7.45±1.70 cm as seen in the graph below.

Micropenis enlargement with hcg therapy, results
Results Before and After hCG Treatment

The hCG treatment had some additional and positive "side effects":
  • A significant increase in the mean serum testosterone concentrations
  • An increase in testicular volume. The testicular volume increased from 5.45 cc to 6.83 cc on the left side and from 5.53 cc to 7.03 cc on the right side

It should be mentioned that none of the participants reported any adverse effects.

In my opinion the study seems to be very promising, let's hope someone proceeds to a clinical trial so that adults with a micropenis can one day enjoy a normal-sized penis with a simple hormonal treatment like the one described here. However, it should be mentioned that this kind of treatment may only work on patients where their small penis was the result of Idiopathic Hypogonadotrophic Hypogonadism

Other Hormones That Can Cure Micropenis

Sun-Ouck Kim, Kwang Ho Ryu, In Sang Hwang, Seung Il Jung, Kyung Jin Oh, and Kwangsung Park (2011). Penile Growth in Response to Human Chorionic Gonadotropin (hCG) Treatment in Patients with Idiopathic Hypogonadotrophic Hypogonadism CHONNAM MEDICAL JOURNAL DOI: 10.4068/cmj.2011.47.1.39


  1. Is there a way such I can be submitted into these test?

  2. this "test" is finished, it was a clinical trial. Ask a doctor like an endocrinologist if you can somehow get this treatment.

  3. Did you find any more information

  4. does it improve the orgasm's too?

  5. is there any way I can get this treatment done in Houston, TX and how much it costs

  6. Pls what's the latest about this drug? Is it available to people now?

  7. what would happen if the treatment was prolong for a year or longer?

  8. I'm 63 n have always had a micro penis. Is it 2 late 4 me?

  9. You can self administer HCG with the above dosage in this study, providing you have consulted your doctor and have this study printed and ready to show him/her, HCG is readily available from peptide clinics if your doctor for some bizarre reason don't prescribe you this treatment, it can mean the world to those who have this condition, run HCG with the above required dose for 2 months(8 weeks). Check the size before and after completion of the treatment.

    Always consult your physician first preferably Endocrinologist who specializes in male sexual health or reproduction.


The comments are moderated. It usually takes less than a day till they get approved.