Compared the clinical outcomes of natural cycle and hormone replacement cycle for endometrial preparation in frozen embryo transfer: a prospective randomized controlled trial of single center

Status

Active, not recruiting

Phases

Phase 4

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2100048138

Enrollment

Unknown

Registered

2021-07-04

Start date

2022-03-01

Completion date

Unknown

Last updated

2022-03-14

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

Conditions

Infertility

Interventions

Control group:No

Experimental group:Progynova

Eligibility

Sex/Gender

Female

Age

No minimum to 42 Years

Inclusion criteria

Inclusion criteria: 1. Age <= 42 years old; 2. Regular menstrual cycle (25-35 days); 3. The first or second frozen embryo transfer cycle; 4. Sign informed consent.

Exclusion criteria

Exclusion criteria: 1. Endometriosis; 2. Recurrent abortion; 3. Uterine malformation; 4. Hydrosalpinx without surgical treatment; 5. Intrauterine adhesions or thin endometrium, endometrial polyps, or other uterine factors.

Design outcomes

Primary

Measure	Time frame
live birth rate;	—

Secondary

Measure	Time frame
clinical pregnancy rate;spontaneous miscarriage rate;Maternal and infant complications;	—

Countries

China

Contacts

Public ContactOu Jianping

The Third Affiliated Hospital of Sun Yat-sen University

oujp3@mail.sysu.edu.cn+86 13609757866

Outcome results

None listed

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