HCG
Glycoprotein hormone that mimics LH to stimulate testosterone production. Used in fertility treatment and as an adjunct in TRT protocols.
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Also known as:
human chorionic gonadotropinhcg injectionpregnylchoragonovidrelnovarel
community guides:
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Community Q&A
- What does HCG do in TRT protocols?
- Community accounts describe HCG's role in TRT as testicular preservation — mimicking LH to maintain intratesticular testosterone production, testicular volume, and fertility markers during exogenous testosterone use. Without HCG or an equivalent, accounts consistently describe progressive testicular atrophy over months of TRT. The most common protocol in confessions: 250–500 IU two to three times per week, subcutaneous injection.
- How long does HCG take to restore testicular size?
- Community accounts describe variable timelines depending on degree and duration of atrophy. Accounts with mild atrophy from shorter TRT use describe noticeable improvement within 4–6 weeks of adding HCG. Accounts with significant atrophy from years of TRT describe slower recovery — 3 to 6 months before meaningful restoration. Some accounts describe incomplete recovery even after extended HCG use, particularly after very long cycles without LH stimulation.