Related Experiment Video
Updated: May 28, 2026

Collection of Human Follicular Fluid, Follicle Somatic Cells, and Immature Oocytes from Individuals Undergoing In Vitro Fertilization
Published on: October 24, 2025
Optimizing potential for fertility: fertility considerations for the pediatrician
Peter A Lee1, Alan Rogol, Christopher P Houk
1Department of Pediatrics, Penn State College of Medicine, MC-H085, The Milton S. Hershey Medical Center, PO Box 850, 500 University Drive, Hershey, PA 17033-0850, USA. plee@psu.edu
Fertility preservation for children involves storing immature germ cells or ovarian tissue. This approach aims to enable future conception, with techniques varying based on the child's developmental stage.
Area of Science:
- Reproductive Medicine
- Pediatric Endocrinology
- Oncology
Background:
- Fertility preservation is crucial for prepubertal and pubertal children facing treatments that may impair reproductive capacity.
- Current methods focus on obtaining immature gametes or tissues for future reproductive potential.
Purpose of the Study:
- To outline fertility preservation strategies for prepubertal and pubertal children.
- To differentiate approaches based on the child's gonadal development and reserve.
Main Methods:
- For prepubertal boys: cryopreservation of testicular tissue for potential sperm extraction.
- For prepubertal girls: retrieval and storage of ovarian cortical or follicular tissue.
- For pubertal children and adolescents: retrieval of sperm, oocytes, or ovarian cortex, similar to adult procedures.
Main Results:
- Preservation for prepubertal children involves immature germ cells (sperm precursors, oocytes) and ovarian tissue.
- Sperm extraction from cryopreserved testicular tissue is currently limited to animal studies.
- Adolescents with sufficient gonadal development can undergo procedures similar to adults.
Conclusions:
- Fertility preservation techniques must be tailored to the child's developmental stage.
- Ovarian tissue and immature germ cell cryopreservation offer future reproductive options for young patients.
- Further research is needed for successful in vitro maturation and sperm extraction in prepubertal males.
Related Concept Videos
Pharmacokinetics in Pediatric Patients: Drug Excretion
Pharmacokinetics in Pediatric Patients: Overview and Drug Absorption
Infertility in Males
Pharmacokinetics in Pediatric Patients: Drug Metabolism
Drug Dosing: Infants and Children
Pharmacokinetics in Pediatric Patients: Drug Distribution

