Related Concept Videos
Birth Control Methods
Infertility in Males
Intrauterine Drug Delivery Systems
Disorders of the Male Reproductive System
Prostate disorders are another major concern. These conditions can impair urinary flow due to the prostate's location around the urethra. Symptoms...
Hormonal Regulation of the Menstrual Cycle
At puberty, GnRH begins a pulsatile release pattern, which triggers the anterior pituitary gland to secrete follicle-stimulating hormone (FSH) and luteinizing hormone (LH). The frequency and amplitude of GnRH pulses vary across the menstrual cycle, with faster pulses favoring LH release and slower pulses favoring FSH release.
Hormonal Regulation
You might also read
Related Articles
Articles linked to this work by shared authors, journal, and citation graph.
Why it is timely to bring a new hormonal male contraceptive to the public - A 35-year perspective of the authors.
Practice and development of male contraception: European Academy of Andrology and American Society of Andrology guidelines.
Design of an international male contraceptive efficacy trial using a self-administered daily transdermal gel containing testosterone and segesterone acetate (Nestorone).
Acceptability of oral dimethandrolone undecanoate in a 28-day placebo-controlled trial of a hormonal male contraceptive prototype.
Daily Oral Administration of the Novel Androgen 11β-MNTDC Markedly Suppresses Serum Gonadotropins in Healthy Men.
Safety and Pharmacokinetics of Single-Dose Novel Oral Androgen 11β-Methyl-19-Nortestosterone-17β-Dodecylcarbonate in Men.
A viral ORFeome library for systems-level genetic dissection of host-pathogen interactions.
Co-option of lysosomal machinery shapes the evolution of the intracellular photosymbiosis supporting coral reefs.
Recurrent patterns of TOP1-mediated neuronal genomic damage shared by major neurodegenerative disorders.
Related Experiment Video
Updated: May 19, 2026

Treatment Model for Young Patients with Psychogenic Erectile Dysfunction and Resultant Infertility
Published on: May 30, 2025
Contraception for men: a breakthrough new approach.
1Department of Medicine, University of Washington, Seattle, WA 98195, USA. wbremner@uw.edu
A novel small molecule drug successfully and reversibly inhibits sperm production in male mice. This breakthrough offers a potential new male contraceptive by targeting testicular bromodomain function without side effects.
Area of Science:
- Reproductive biology
- Molecular pharmacology
- Male contraception
Background:
- The development of male contraceptives has lagged significantly, with condoms being the only reversible option for centuries.
- Existing research highlights the need for innovative approaches beyond traditional methods.
Discussion:
- This study introduces a targeted molecular strategy for male contraception.
- The research focuses on the direct and reversible inhibition of spermatogenesis.
Key Insights:
- A specific small molecule was administered to mice, effectively blocking testicular bromodomain function.
- This inhibition led to a reversible suppression of sperm production.
- Crucially, no adverse effects were observed in the male mice or their offspring.
Outlook:
- This research paves the way for the development of new non-hormonal male contraceptive agents.
- Further investigation into the long-term efficacy and safety in preclinical models is warranted.
- The identified molecular target could be a promising avenue for future male reproductive health interventions.

