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Penis Enlargement Research - Can A Penis Extender Really Increase Penis Size?

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One reason why the SizeGenetics penis extender is so highly reviewed, rated, and popular among men doing penis enlargement is due to the large volume of clinical studies and research carried out on it.

SizeGenetics is a clinically proven and very effective penis enlargement device used to stretch the penis longer and thicker over time.

Thousands of men use the unique SizeGenetics penis extender device every day to gain themselves permanent inches in penis length and girth, as well as the confidence of having an above average penis size, and the better sex life that comes with a more powerful penis.

The research done on the SizeGenetics penis enlargement extender is giving doctors a reason to prescribe the SizeGenetics penis enlargement extender as an alternative to penis enlargement surgery, as many men want a bigger penis but don't want to go under the knife - and who can blame them?

In several clinical studies such as the ones below, SizeGenetics has been proven to provide a fast working solution for penis enlargement, penis straightening, and Peyronie's Disease.

Read these studies over to know about the background medical evidence which makes SizeGenetics such a unique, powerful and effective penis enlargement product.


Scientific studies published in the International Journal of Impotence Research (volume 13, sup. 4, Oct-2001).

Colpi G.M., Martini P., Scroppo F.I., Mancini M., Castiglioni F. Andrology Service, San Paolo Hospital – University of Milan, Milan, Italy


The main surgical ask for penis elongation is of men having a penis size within the standard limits but not considered satisfactory by the subject ("small penis"). The aim of this study was to verify the efficacy of the penis-stretching physiotherapy for penis elongation.

Design and Methods:
Nine healthy men suffering from "small penis" were enrolled (range age: 26-43 years). The initial stretched penis length was 12.0 cm (range 8.1-15.4). The "SizeGenetics‚" device was prescribed for at least 6 hours per day, for at least 4 months.


In all subjects the elongation of penis was proportional to the device time of use. After 4 months the stretched penis augmentation was +1.8 cm (range +0.5-+3.1 cm). The daily average use was 6_ hours (range 3-9 hours). No side effects occurred.


Our data show the efficacy of the penis-stretching physiotherapy in the "small penis" treatment.



Scientific work presented at the 2nd annual Conference on Aesthetic Medicine, Milan (Italy) Nov2000

R. Vaccari, MD, M. Musillo, MD , F. Pezzoni, MD Andrology Medical and Surgical Center, Milan (Italy)

Surgical Procedures

1. Pubic liposuction

Local anesthetic infiltration, pubic liposuction, and fat processing to prevent it's reabsorption after peneal lipofilling.

2. Release of the pubo-penile ligament
The ligament is manually detached from the lateral fibers. Complete cut of ligament after careful hemostasis.

3. Wound clossure
This is carried out in layers with puboplasty techniques V-Y which allows the pubic skin to advance towards the base of the penis.

4. Penile lipofilling (body fat injection)

5. Post operative guidelines

The SizeGenetics System may be used 15 days after operation for a period of 2 months. Being just as important as the surgical stage, with the aim of avoiding serious complications such as penile fibrosis.

The SizeGenetics Device in time provides a gradual enlargement of penis.



abstract of oral communication at Congress of the European Society for Sexual and Impotence Research ESSIR Congress, in Hamburg, published in International Journal For Impotence Research. Hamburg, 1 – 4 December 2002

Colpi G.M., Martini P., Scroppo F.I., Mancini M., Castiglioni F. Andrology Service, San Paolo Hospital – University of Milan, Milan, Italy

“Micropenis” is used to define a penis less than 2.5 SD long compared to the mean length for age and sexual development stage, provided that this organ does not show any other anatomic anomalies. By “small penis” we mean a penis having a size objectively within the standard limits but which is not considered satisfactory by the subject (“Locker-room syndrome”).

This disorder is included in dysmorphophobia and is the main reason why some men undergo penile elongation techniques. Measuring performed with stretched penis shows a close correlation with the real length during erection. The mean length of the flaccid penis in Caucasian post-puberal male is 8.8 cms; when stretched it is 12.4 cms (+ 2.7 cms); during erection 12.9 cms.

Therefore we talk about a micropenis when its size is < 6 cms. Medical treatment is limited to hypogonadic males by increasing serum androgenic values. Several techniques of penis elongation exist, which are based on external stretching of the penis or classic surgery.

Surgical techniques include the subtotal dissection of the penile suspensory ligament and prepubic liposuction. Liposculpture is the insertion of autologuous adipose tissue into the penile subcutaneous in order to increase the organ circumference.

Among physiotherapeutic techniques, our group is making use of the Andro-Penis‚ to treat both small penis and penis curvature due to Peyronie's disease.

For “small penis” our data show a mean increase of the stretched penis length of 1.8 cms after 4 months with a daily average use of 6 _ hours; a higher increase ranging between 2.4 and 3.1 cms was achieved after longer periods of time (between 7 _ and 9 hours).

We applied the same device in case of Peyronie's disease and we obtained a mean decrease in the penis curvature of about 40% (from 34.1° + 4.9° to 20.0° + 12.2°) after three months of treatment.

Patient counselling is at all events essential to have a full picture of the problem, since a morbid attention to the size of his own penis might be the symptom of a more complex psychiatric disorder where surgery is powerless or may sometimes even give rise to additional problems.


Can SizeGenetics Reduce Peyronie's Penile Curvature?

Scientific studies presented at the 4th annual European Society for Sexual and Impotence Research Conference (Rome, Oct. 2001).

Scroppo FI., Mancini M., Maggi M.*, Colpi GM. Andrology Service, Ospedale San Paolo – Polo Universitario, Milano (Italy) * Andrology Unit, Dip. Fisiopat. Clin., Università di Firenze, Firenze (Italy)

Materials and Methods:
Eight patients (age 58.5±5.3 yrs.) affected by Peyronie's disease, apparently unmodified at least in the latest 3 months and causing penile curvature during erection (PEC), were trained to use a mechanical penis stretcher.

None of them complained about erectile dysfunction according to IIEF test, and penile pain. After intracavernous injection of PgE1 5-15 mg to obtain full erection (assessed by both Digital Inflection Rigidometry and palpation), cross scanning of tunica albuginea by duplex sonography, photographs of the erect penis according to Kelami's projections, and penile diameters and length measurements were performed before and after daily home PS application (at least four hours / day) for 3 to 6 months.

Individual follow-up examinations were scheduled after 3 and 6 months. At the present time, all patients have concluded the 3-month follow-up, and two of them the 6-months' one.

The coat highest thickness resulted 1.8±0.6 mm before and 1.6±0.3 mm after using the SizeGenetics (n.s.). The septum latero-lateral maximum thickness was 2.2±0.7 mm before and 1.8±0.8 mm after using the SizeGenetics (n.s.).

Penile length, dorsally measured from penopubic angle to meatus, was 100.5±27.3 mm before and 104.6±22.2 mm after using the SizeGenetics (n.s.). Photographs showed that PEC decreased from 34.1±4.9° before to 20.0±12.2° after using the SizeGenetics(p&lgt;0.05). The treatment was well tolerated (no severe complication and no drop out occurred).

Dr. Colpi

These results suggest a promising use of the SizeGenetics in selected Peyronie's patients affected by penile curvature without erectile dysfunction.

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Any product that claims it can enlarge the penis needs to be thoroughly put to the test. No man should risk injuring his one and only penis with a low quality device noone has ever heard of.

With a solid reputation in the penis enlargement market for over 5 years, and thousands of hours of clinical testing and improvement, it's no wonder why more men are choosing SizeGenetics as a guaranteed way to get a bigger penis size.

Read the full SizeGenetics review to learn how the device and bonuses in this system work together to quickly enlarge the penis, give you more confidence and an amazing sex life.

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