Public educational draft · 04 November 2026Clinical review pending →
Gonadorelin reference card with source-verified molecular imagery and original research-informed diagrams. Evidence levels and limitations are marked; full citations accompany the card on the website.

Visual summary only. The research findings, limitations and references accompany the card on this page.

The chemical drawing shows source-verified two-dimensional connectivity and stereochemistry, not an experimental three-dimensional conformation. The biological setting is an illustration. Original study diagrams summarize cited research without reproducing publication artwork or inventing quantitative results.

Verified chemical reference record

Read the research ↓ · View all references ↓

Melanocortin / reproductive

Gonadorelin

Pituitary GnRH receptor

Synthetic human GnRH-I parent; N-terminal L-pyroglutamyl and C-terminal glycinamide
Molecular formula
C55H75N17O13
Molecular weight
1182.3 g/mol
Class
GnRH decapeptide
Identity
pGlu-His-Trp-Ser-Tyr-Gly-Leu-Arg-Pro-Gly-NH2

Research snapshot

Gonadorelin reproduces native GnRH-I signaling to the pituitary. Pulsatile clinical administration has been studied in hypothalamic amenorrhea, where treatment pattern and diagnosis are essential to interpreting fertility outcomes.

Physiology + clinical cohort

Identity & representation

Reference parent, not an AXON formulation or salt.

Educational reference only. Not a dosing guide, treatment recommendation or product endorsement.

Native GnRH decapeptide reference · pyroglutamyl N-terminus · C-terminal amide[1][3]

View the chemical structure →

Sources checked: 2026-11-06. Identity and evidence limits are stated above. Independent specialist review is pending.

ClassGnRH decapeptide

Research contextPituitary GnRH receptor

EvidencePhysiology + clinical cohort

StatusClinical diagnostic/reproductive uses vary by product and region

What researchers study

Gonadorelin reproduces native GnRH-I signaling to the pituitary. Pulsatile clinical administration has been studied in hypothalamic amenorrhea, where treatment pattern and diagnosis are essential to interpreting fertility outcomes.

  • Pituitary gonadotropin responses

  • Hypothalamic amenorrhea

  • Pulsatile reproductive-endocrine signaling

Mechanism in context

  1. Gonadorelin activates pituitary GnRH receptors
  2. LH and FSH secretion respond
  3. Gonadal function depends on signaling pattern

Pulsatile signaling and continuous exposure are not interchangeable. The clinical cohort studied selected women with hypothalamic amenorrhea, not general endocrine enhancement.

Simplified publication-grounded schematic, not a solved protein structure or proof of clinical benefit.

Selected evidence

Physiology + clinical cohort

Use of pulsatile gonadotropin-releasing hormone (GnRH) in patients with functional hypothalamic amenorrhea (FHA) results in monofollicular ovulation and high cumulative live birth rates: a 25-year cohort.[2]

Single-center retrospective cohort · 66 women; 82 treatments; 212 cycles · 1996–2020 cohort

Observed: Live birth per treatment was 65.9%; ovulation occurred in 96% of cycles.

Live birth per treatment was 65.9%; ovulation occurred in 96% of cycles. No randomized comparator for efficacy; results depend on pulsatile delivery and selected FHA population.

Limit: No randomized comparator for efficacy; results depend on pulsatile delivery and selected FHA population.

Reference identity in detail

Sequences and form distinctions describe the cited reference substance, not a verified supplier preparation.

Read the sequence and form notes
Sequence
pGlu-His-Trp-Ser-Tyr-Gly-Leu-Arg-Pro-Gly-NH2
Residue count
10
Molecular formula
C55H75N17O13
Molecular weight (g/mol)
1182.3

Research scope

Targeted source verification, not a systematic review. Citation quality and molecule-specific applicability are stated separately.

Safety & evidence limits

  • Hormonal responses do not establish benefit for people without the studied endocrine diagnosis.

  • The cited fertility evidence is retrospective and uncontrolled for treatment efficacy.

  • Salt form, formulation and administration pattern affect interpretation; this graph is the parent peptide only.

Practical identity notes

  • Synthetic human GnRH-I parent; N-terminal L-pyroglutamyl and C-terminal glycinamide
  • No original PubChem 3D conformer was available for this exact reference in the checked endpoint; use exact 2D structure.
  • Reference identity is not confirmation of product contents, purity, sterility or therapeutic equivalence.

The 10-second takeaway

Native GnRH signaling is pattern-dependent; clinical reproductive findings apply to selected diagnoses and supervised protocols.

What the visual panels show

Original diagrams summarize the cited research or documented evidence search. They are not copied publication figures or claims of treatment benefit.

  • MECHANISM / STUDY CONTEXT[3]

    Publication-grounded mechanism schematic · Original publication-grounded diagram

    Pituitary GnRH receptor activation · LH and FSH secretion responds · Gonadal response depends on signal pattern

    Interpretation: Pulsatile signaling and continuous exposure are not interchangeable. The clinical cohort studied selected women with hypothalamic amenorrhea, not general endocrine enhancement.

  • Native GnRH reference[1]

    REFERENCE CHEMISTRY · Original publication-grounded diagram

    Ten-residue reproductive hormone

    Reference substance is not a verification of a commercial preparation.

    Interpretation: Reference substance is not a verification of a commercial preparation. Original conceptual illustration only; no fabricated data, docking geometry or clinical extrapolation.

  • Pulses are not continuous exposure[3]

    ESTABLISHED PHYSIOLOGY · Original publication-grounded diagram

    GnRH signaling regulates pituitary LH / FSH

    Signal pattern matters; no dosing schedule is depicted.

    Interpretation: Signal pattern matters; no dosing schedule is depicted. Original conceptual illustration only; no fabricated data, docking geometry or clinical extrapolation.

  • Selected FHA population[2]

    RETROSPECTIVE COHORT · Original publication-grounded diagram

    Ovulation in 96% of cycles; no randomized comparator

    66 women; 212 cycles; pulsatile treatment in hypothalamic amenorrhea.

    Interpretation: 66 women; 212 cycles; pulsatile treatment in hypothalamic amenorrhea. Original conceptual illustration only; no fabricated data, docking geometry or clinical extrapolation.

Follow the evidence

Sources & what they support

  1. PubChem CID 638793: source reference graph

    Supports: Exact reference graph, stereochemistry, formula and mass

    Original structure record · Download source SDF

    Original PubChem 2D source structure record.

  2. Use of pulsatile gonadotropin-releasing hormone (GnRH) in patients with functional hypothalamic amenorrhea (FHA) results in monofollicular ovulation and high cumulative live birth rates: a 25-year cohort.

    PMID: 36378460 · DOI: 10.1007/s10815-022-02656-0

    Supports: Retrospective FHA cohort; pregnancy and ovulation outcomes

  3. Gonadorelin pharmacology record

    Supports: Pituitary GnRH receptor and gonadotropin physiology

    Original structure record · Download source SDF

    Original PubChem 2D source structure record.

Source-linked educational drafts. Scientific and clinical review is pending. These cards describe molecules and study context, not product quality, approval or treatment recommendations.

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