Dr. Marco Ha · author and medical reviewer
Paediatric surgery, trauma surgery, hyperbaric and diving medicine · Last medically reviewed
Direct answer
When Should Undescended Testis Surgery Be Done? Examination, Imaging and Orchiopexy
What should happen when an infant’s testis is not in the scrotum? Learn referral timing, imaging limitations and orchiopexy.
The full guide below explains assessment, options and warning signs. Online information cannot replace an examination.
How long can spontaneous descent occur?
Some testes descend during the first months, especially in preterm infants. If not scrotal by about six months, spontaneous descent becomes less likely and specialist follow-up is appropriate.
Why move the testis into the scrotum?
It provides a more favorable temperature for development, facilitates future examination and repairs an associated hernia if present. Surgery does not eliminate all future risk.
Is ultrasound needed first?
Imaging often does not change initial management. Pediatric surgical assessment should determine whether a test is useful.
When should medical care be prompt?
Sudden groin/testicular pain, redness, vomiting, or bilateral nonpalpable testes with genital atypia in a newborn requires urgent assessment.
Key points
When assessing “When Should Undescended Testis Surgery Be Done? Examination, Imaging and Orchiopexy,” the decision should not be based on one photograph, one symptom or a single test result.
Why does it happen and what is the natural course?
An undescended testis has not settled in the scrotum and is more common after prematurity. Descent can occur in the first months, but later spontaneous descent is less likely. Persistent high position affects germ cells and complicates torsion and tumor surveillance.
Understanding the natural course of timing, imaging and orchiopexy for undescended testis helps avoid two opposite mistakes: treating a normal developmental variation too aggressively, or delaying care because someone said children always grow out of it.
How is it evaluated in clinic?
Palpation determines whether the testis is in the groin, can be brought down, and its size. Ultrasound usually does not determine management for a palpable testis. A nonpalpable testis is assessed by a specialist, often with laparoscopy.
When is observation reasonable and when is treatment needed?
If descent has not occurred within the recommended age window, orchiopexy places the testis in the scrotum and treats an associated open processus. Hormonal therapy is not routine first-line treatment.
What would we risk by observing? Is there a nonoperative option?
Home care and preparation for the visit
Parents can observe during a warm bath but should not repeatedly push the testis. Follow-up after newborn or school screening should not be delayed until puberty.
Red flags that should not wait
Common myths and avoidable mistakes
Obtaining an ultrasound before referral often does not change management and can delay timely treatment.
Follow-up: how do we know the plan is working?
Postoperative review confirms position, growth and healing. Surgery reduces but does not eliminate fertility and malignancy risks.
Frequently asked questions
Is earlier always better?
Repair should occur within the recommended window, while diagnosis, anesthesia and individual health are considered.
References and source topics
Original educational content based on publicly available professional guidance. It does not replace clinical examination.
How sources are selected, reviewed and corrected: medical editorial and source policy.
Pediatric surgery, trauma surgery and hyperbaric medicine. Last updated: August 6, 2026.