| E.1 Medical condition or disease under investigation | 
| E.1.1 | Medical condition(s) being investigated  | 
| This study is a randomized controlled, superiority trial comparing the number of MII oocytes following final follicle maturation with dual trigger (250 μg rhCG + 0.2mg Triptorelin) or GnRH-a trigger (0.2mg Triptorelin) in women undergoing elective fertility preservation. | 
 
| Este estudio es un estudio controlado aleatorizado de superioridad para comparar el número de ovocitos MII tras maduración folicular con doble descarga (250 μg rhCG + 0.2mg Triptorelin) o descarga con GnRH-a  (0.2mg Triptorelin) en mujeres que realizan preservación de fertilidad social | 
 
 
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| E.1.1.1 | Medical condition in easily understood language  | 
| To compare the number of mature oocytes (MII) retrieved after dual trigger and GnRH-a trigger in patients undergoing elective fertility preservation in a progestin-primed ovarian stimulation protocol. | 
 
| Comparar el número de ovocitos MII recuperados tras doble descarga y descarga simple  con GnRH-a en pacientes que siguen preservación social en un protocolo de estimulación ovárica controlada | 
 
 
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| E.1.1.2 | Therapeutic area  | Diseases [C] - Female diseases of the urinary and reproductive systems and pregancy complications [C13] | 
| MedDRA Classification | 
| E.1.3 | Condition being studied is a rare disease  |  No  | 
| E.2 Objective of the trial | 
| E.2.1 | Main objective of the trial  | 
| To compare the number of mature oocytes (MII) retrieved after dual trigger and GnRH-a trigger in patients undergoing elective fertility preservation in a progestin-primed ovarian stimulation protocol. | 
 
| Comparar el número de ovocitos MII recuperados tras doble descarga y descarga simple  con GnRH-a en pacientes que siguen preservación social en un protocolo de estimulación ovárica controlada | 
 
 
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| E.2.2 | Secondary objectives of the trial  | 
To compare the dual trigger and GnRH-a trigger regarding: 1.	Total number of oocytes retrieved 2.	Endocrine profile on the day after trigger (FSH, LH, Estradiol, progesterone) 3.	Incidence of OHSS | 
 
Comparar la doble descarga y la descarga con GnRH-a en relación a: Número total de ovocitos recuperados , perfil endocrinológico el día después de la descarga  (FSH, LH, Estradiol, y Progesterona),  y la indecencia de hiperestimulación ovárica | 
 
 
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| E.2.3 | Trial contains a sub-study  |  No  | 
| E.3 | Principal inclusion criteria  | 
•	AFC < 20 •	Anti-Mullerian hormone (AMH) ≤ 3ng/ml (AMH result of up to one year will be valid) •	Age ≤ 40 years •	BMI > 18 and < 30 kg/m2 •	Willing to participate in the study | 
 
•	AFC < 20 •	Anti-Mullerian hormone (AMH) ≤ 3ng/ml (AMH hasta un año antes) •	Age ≤ 40 years •	BMI > 18 and < 30 kg/m2 •	Dispuesta a participar en el estudio | 
 
 
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| E.4 | Principal exclusion criteria | 
•	Medically indicated fertility preservation •	AFC ≥ 20 •	Polycystic ovarian syndrome (PCOS) according to the Rotterdam criteria •	FSH ≥ 20 •	History of untreated autoimmune, endocrine or metabolic disorders •	Contraindication for hormonal treatment •	Recent history of severe disease requiring regular treatment (clinically significant concurrent medical condition that could compromise subject safety or interfered with the trial assessment). | 
 
•	Indicación de preservación de fertilidad médica •	AFC ≥ 20 •	Síndrome de ovario poliquístico (Roterdam criteria) •	FSH ≥ 20 •	Historia de enfermedad autoinmune, endocrina o metabólica no controlada •	Contraindicación de tratamiento hormonal 
 •      Historia reciente de enfermedad severa que requiere tratamiento crónico que pudiera  interferir con la seguridad del paciente o con el desarrollo del ensayo | 
 
 
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| E.5 End points | 
| E.5.1 | Primary end point(s) | 
| To compare the number of MII oocytes retrieved after final oocyte maturation with dual trigger and GnRH-a trigger in patients undergoing elective fertility preservation. | 
 
| Comparar el número de ovocitos MII recuperados tras doble descarga y descarga simple  con GnRH-a en pacientes que siguen preservación social en un protocolo de estimulación ovárica controlada | 
 
 
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| E.5.1.1 | Timepoint(s) of evaluation of this end point | 
| About 34-36 hours thereafter oocyte pick-up will be performed. | 
 
| 34-36 horas tras la descarga se realizará la punción folicular | 
 
 
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| E.5.2 | Secondary end point(s) | 
1.	Total number of oocytes retrieved 2.	Endocrine profile on the day after trigger (FSH, LH, estradiol, progesterone) 3.	Incidence of OHSS | 
 
1.	Número total de ovocitos recuperados 2.	Perfil endocrino respecto  (FSH, LH, estradiol, progesterona) 3.	Incidencia de hiperestimulación ovárica | 
 
 
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| E.5.2.1 | Timepoint(s) of evaluation of this end point | 
Total number of oocytes retrieved:About 34-36 hours thereafter oocyte pick-up will be performed.  Endocrine profile on the day after trigger Incidence of OHSS: Untul 7 days after oocyte pick-up | 
 
Número de Ovocitos recuperados:34-36 horas tras la descarga se realizará la punción folicular Perfil endocrino: el día despues de la descarga Incidencia de hiperestimulación ovárica. Hasta 7 días tras la punción | 
 
 
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| E.6 and E.7 Scope of the trial | 
| E.6 | Scope of the trial | 
| E.6.1 | Diagnosis |  No  | 
| E.6.2 | Prophylaxis |  No  | 
| E.6.3 | Therapy |  No  | 
| E.6.4 | Safety |  No  | 
| E.6.5 | Efficacy |  Yes  | 
| E.6.6 | Pharmacokinetic |  No  | 
| E.6.7 | Pharmacodynamic |  No  | 
| E.6.8 | Bioequivalence |  No  | 
| E.6.9 | Dose response |  No  | 
| E.6.10 | Pharmacogenetic |  No  | 
| E.6.11 | Pharmacogenomic |  No  | 
| E.6.12 | Pharmacoeconomic |  No  | 
| E.6.13 | Others |  No  | 
| E.7 | Trial type and phase | 
| E.7.1 | Human pharmacology (Phase I) |  No  | 
| E.7.1.1 | First administration to humans |  No  | 
| E.7.1.2 | Bioequivalence study |  No  | 
| E.7.1.3 | Other |  No  | 
| E.7.1.3.1 | Other trial type description |  | 
| E.7.2 | Therapeutic exploratory (Phase II) |  No  | 
| E.7.3 | Therapeutic confirmatory (Phase III) |  No  | 
| E.7.4 | Therapeutic use (Phase IV) |  Yes  | 
| E.8 Design of the trial | 
| E.8.1 | Controlled |  Yes  | 
| E.8.1.1 | Randomised |  Yes  | 
| E.8.1.2 | Open |  Yes  | 
| E.8.1.3 | Single blind |  No  | 
| E.8.1.4 | Double blind  |  No  | 
| E.8.1.5 | Parallel group |  Yes  | 
| E.8.1.6 | Cross over  |  No  | 
| E.8.1.7 | Other |  No  | 
| E.8.2 |  Comparator of controlled trial | 
| E.8.2.1 | Other medicinal product(s) |  Yes  | 
| E.8.2.2 | Placebo  |  No  | 
| E.8.2.3 | Other |  No  | 
| E.8.2.4 | Number of treatment arms in the trial | 2 | 
| E.8.3 | 
                                The trial involves single site in the Member State concerned
                             |  Yes  | 
| E.8.4 |  The trial involves multiple sites in the Member State concerned  |  No  | 
| E.8.5 | The trial involves multiple Member States |  No  | 
| E.8.6 Trial involving sites outside the EEA | 
| E.8.6.1 | Trial being conducted both within and outside the EEA |  No  | 
| E.8.6.2 | Trial being conducted completely outside of the EEA |  No  | 
| E.8.7 | Trial has a data monitoring committee |  No  | 
| E.8.8 | 
                        Definition of the end of the trial and justification where it is not the last
                        visit of the last subject undergoing the trial
                     | 
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| E.8.9 Initial estimate of the duration of the trial | 
| E.8.9.1 | In the Member State concerned years |  | 
| E.8.9.1 | In the Member State concerned months | 19 | 
| E.8.9.1 | In the Member State concerned days |  |