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Progesterone levels after hormone replacement therapy for endometrial preparation for frozen/thawed embryo transfer and related reproductive outcomes: a prospective cohort study

Progesterone levels after hormone replacement therapy for endometrial preparation for frozen/thawed embryo transfer and related reproductive outcomes: a prospective cohort study

Status
Active, not recruiting
Phases
Phase 4
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2500098162
Enrollment
Unknown
Registered
2025-03-04
Start date
2025-03-05
Completion date
Unknown
Last updated
2025-03-10

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Infertility

Interventions

HRT group:NA

Sponsors

Chongqing Health Center for Women and Children
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
18 Years to 38 Years

Inclusion criteria

Inclusion criteria: 1. Women aged =8 mm on endometrium transformation day 4. Have received estradiol valerate for no more than 21 days 5. Planned SET (single embryo transfer) with 1 good quality blastocyst for transfer (4BB and above)

Exclusion criteria

Exclusion criteria: 1. >= 2 previously failed cycles of ET 2. History of recurrent miscarriages (>= 2 times of miscarriages) 3. Severe endometriosis (Endometriosis American Society for Reproductive Medicine [ASRM] criteria from 1996) 4. Hydrosalpinx 5. Diagnosis of uterine abnormalities including malformed uterus (uterus unicornis, septate uterus, endometrial polyp, or duplex uterus), submucous myoma, or intrauterine adhesion 6. Basal FSH > 10 IU/L before controlled ovarian stimulation (COS) 7. Pre-implantation genetic testing for aneuploidy, monogenic disorders or structural re-arrangements 8. No good blastocyst to be transferred 9. Untreated or uncured endocrine and metabolic disorders (such as pituitary disease, thyroid disease, or adrenal disease) or other comorbidities that may affect study endpoints, such as diabetes mellitus, as judged by investigator 10. Patients with any diseases that cannot tolerate embryo transfer or pregnancy 11. Patients used drugs that may affect the effectiveness and safety evaluation of the study, such as systemic hormonal medications (thyroid hormone replacement therapy exclusive) 12. Simultaneous participation in another clinical study

Design outcomes

Primary

MeasureTime frame
Serum Progesterone Levels on The Day of ET;

Secondary

MeasureTime frame
hCG Test;Clinical Pregnancy;Early Miscarriage;Ongoing Pregnancy Rate;Adverse Event;

Countries

China

Contacts

Public ContactHong Ye

Chongqing Health Center for Women and Children

yehong1210@163.com+86 139 8318 0200

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026