Micropenis: What it is, sexual function, and treatment

Micropenis refers to an abnormally little penis. Micropenis is rare and hormonal or familial issues are most frequently the causal agent. Doctors will normally diagnose and treat the condition at parentage. In this article, we look at the definition of micropenis, the symptoms and causes, and the ways a smaller-than-average penis may or may not affect sexual and other functions.

What is micropenis?

Doctor speaking with his patient who is concerned about micropenis share on PinterestHormonal issues typically cause micropenis, which is a rare condition. Doctors diagnose micropenis when a person ’ sulfur penis is 2.5 standard deviations below the average stretched length for their old age and degree of sexual exploitation. research has estimated that the average penis size for an adult is 13.24 centimeters ( centimeter ) or 5.21 inches when stretched. For adults, doctors consider micropenis for a elongate penile length of less than 9.3 centimeter or 3.66 inches. When a person has micropenis, their internal genitalia and testicles are normally normal. clinical sources specify average and micropenis sizes for each old age rate, as follows :AgeAverage stretched lengthMicropenis stretched lengthNewborn at 30 weeks2.5 cm1.5 cmNewborn at 34 weeks3.0 cm2.0 cmNewborn at full term3.2 cm2.4–2.5 cm0–5 months3.9 cm1.9 cm6–12 months4.3 cm2.3 cm1–2 years4.7 cm2.6 cm2–3 years5.1 cm2.9 cm3–4 years5.5 cm3.3 cm4–5 years5.7 cm3.5 cm5–6 years6.0 cm3.8 cm6–7 years6.1 cm3.9 cm7–8 years6.2 cm3.7 cm8–9 years6.3 cm3.8 cm9–10 years6.3 cm3.8 cm10–11 years6.4 cm3.7 cmAdult13.3 cm9.3 cm

How common is micropenis?

Micropenis is a rare condition that may affect around 1.5 in 10,000 male newborns, or 0.015 percentage of male newborns in the United States, according to estimates taken between 1997 and 2000. The prevalence statistics of micropenis vary between studies. Micropenis and other parturition abnormalities can be related to environmental factors, such as parental exposure to pesticides during pregnancy. As a consequence, this condition may be more park in specific populations.


Hormonal issues are the most park lawsuit of micropenis. Less normally, micropenis and other birth abnormalities can occur when the mother experiences exposure to pesticides or other toxic chemicals during pregnancy. testosterone deficiencies, during pregnancy, are normally the induce of micropenis and may besides cause early genital abnormalities. A testosterone insufficiency can arise when a male fetus does not produce enough testosterone, or when the mother does not produce enough human chorionic gonadotropin ( human chorionic gonadotropin ) hormone during pregnancy. human chorionic gonadotropin stimulates testosterone development in the fetus. When testosterone levels are normal, some aesculapian conditions can stop a person ’ s torso from responding to testosterone correctly. This reaction is called androgen insensitivity. When any of these hormonal issues arise, the penis of a male fetus may not develop in the common way. A male baby will experience a billow of testosterone around 0–3 months after birth. This is a crucial period for penile growth. If this process is interrupted by hormonal problems, a baby may have a smaller penis. In rare cases, micropenis is idiopathic, which means that a sophisticate can not find a specific cause. Because hormone issues typically cause micropenis, people with this condition may have other symptoms, besides. Some diagnoses that doctors may associate with micropenis include :

  • hypogonadotropic hypogonadism
  • Prader-Willi syndrome
  • Kallmann syndrome
  • growth hormone deficiencies
  • abnormal chromosomes
  • Laurence-Moon syndrome

sometimes what appears to be a micropenis is actually ascribable to another trouble. For exemplify, a baby born with swelling in the scrotum may look like they have a micropenis. The penis may besides be less visible because of big surrounding fatten pads when it is called bury penis and can occur in people with fleshiness .

How does someone know if they have micropenis?

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Micropenis is usually diagnosed at birth. many people worry about penis size and typically think they are smaller than modal even when they are not. If a person suspects they have micropenis, they may wish to see a doctor, who will be able to take accurate measurements and diagnose the condition. A doctor will normally diagnose micropenis at birth, however. If doctors suspect micropenis, they will measure the stretch length of the baby ’ south penis and discipline for other signs of hormonal abnormalities. If a newborn ’ south penis is abnormally small, a doctor may perform tests to assess the lawsuit, including :

  • Physical exams: Alongside measuring the penis, a doctor may look for other signs, such as unusual fat pads or growths.
  • Blood tests: These can help the doctor check the baby’s hormone levels. Doctors may also conduct genetic tests to determine the baby’s biological sex. In rare cases, a baby who seems to have a micropenis may be intersex or have a sex chromosome abnormality.
  • Imaging scans: A doctor may use imaging tests, such as a pelvic ultrasound or an MRI scan, to see the genitals and surrounding structures.

respective other conditions can make the penis appear smaller than usual and may be confused with micropenis. Some of these can happen after circumcision. alternative diagnoses to micropenis include :

  • buried penis, where a fatty pad hides the true size of the penis
  • webbed penis, where there is extra skin connecting the scrotum and the penis
  • trapped penis, where there is not enough skin surrounding the penis


Treatments aim to increase the penis size to ensure a person has a fully operation penis and that they feel convinced. A doctor may recommend the following treatments for micropenis :

Hormone therapy

Testosterone treatments can much help the penis to grow. Applying testosterone cream to the genitals during infancy, or giving intramuscular testosterone injections can increase penis size. testosterone treatments are more effective before puberty than former on. Doctors may consider that a estimable reception to testosterone discussion is a 100 percentage increase in the penis length or an adequate reaction as a 3.5 centimeter increase in duration. Different hormone treatments may help, depending on the campaign of micropenis, so it is important that a person gets an accurate diagnosis .


If hormone treatments do not work, surgery may help. A doctor can put an implant into the penis, which may make it look larger than ahead. however, this surgery carries a eminent prospect of complications.

Does micropenis affect sexual function?

Most people with micropenis have normal sexual function. Micropenis does not affect a person ’ randomness ability to urinate, masturbate, or orgasm. Some people may find it more difficult to urinate standing up. anxiety about penis size can be a barrier to enjoying arouse with a partner. man may remain unsated with their appearance even with discussion, though research shows that many men have convention sexual identities and function. even so, people may benefit from counseling or sex therapy. sexual intercourse is good one of many ways to enjoy arouse with a partner. If a person has difficulties with sexual sexual intercourse, this does not have to be a barrier to intimate pleasure for men and their partners. According to research from 2018, just 18.4 percentage of women can orgasm with vaginal penetration alone Focusing on other intimate techniques, such as oral sex, may help a person feel more confident about sexual interactions, which can be a plus for both intimate partners.


Micropenis is a condition where the penis is 2.5 standard deviations shorter than the average extend penis distance for a person ’ south age. testosterone deficiencies during pregnancy can cause micropenis. Less normally, genic abnormalities or environmental conditions can cause the condition.

Micropenis is normally diagnosed and treated in infancy. Testosterone treatments in childhood show good outcomes. A person with micropenis may not obtain an average-sized penis, but this does not normally affect intimate officiate and identity. A wide rate of penis sizes is normal. People with smaller-than-average penises can inactive have healthy, active sexual activity lives. Counseling and sexual activity therapy can help people to overcome anxieties about penis size or sex .

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