What is the optimal duration of progesterone supplementation before frozen embryo transfer in HRT cycles

Study for the improvement of endometrial receptivity by pinopode detection

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR1900027941

Enrollment

Unknown

Registered

2019-12-06

Start date

2017-07-01

Completion date

Unknown

Last updated

2021-01-25

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

Conditions

Repeated embryo implantation failure

Interventions

Case series:progesterone administration

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: 1. aged < 35 years; 2. infertility due to simple fallopian tube factor, male factor and PCO factor; 3. the patients who have egg retrievals for the first time in our center and have not been transplanted before ;the number of good embryos is more than or equal to 4; 4. remove the deformity of internal and external genitalia, hydrosalpinx, and organic diseases of uterus, such as adenomyosis or hysteromyoma.

Exclusion criteria

Exclusion criteria: Remove the deformity of internal and external genitalia, hydrosalpinx, and organic diseases of uterus, such as adenomyosis or hysteromyoma

Design outcomes

Primary

Measure	Time frame
clinical pregnancy rate;the marker of endometrial receptivity;	—

Countries

China

Contacts

Public ContactZhang Songying

Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University

zhangsongying@zju.edu.cn+86 13805727588

Outcome results

None listed

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