“Try until the last” – The effect of fresh transfer outcome on subsequent same-cohort frozen-thawed cycles

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

DRKS

Registry ID

DRKS00032552

Enrollment

10000

Registered

2023-09-05

Start date

2023-09-30

Completion date

Unknown

Last updated

2025-04-07

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

Conditions

N97

Interventions

Group 1: The outcome of fresh and subsequent frozen embryotransfers in sterile couples is analyzed. A retrospective data analysis on embryo transfers between 2011 and 2022 at the study center is perfo

Eligibility

Sex/Gender

Female

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: Patients with at least one embryo transfer during the observation period

Exclusion criteria

Exclusion criteria: None

Design outcomes

Primary

Measure	Time frame
Pregnancy after embryo transfer (positive serum beta-HCG 14 days after transfer)	—

Secondary

Measure	Time frame
Pregnancy rate per embryo transfer of the same cohort	—

Countries

Austria

Contacts

Public ContactOmar Josef Shebl

Kepler Universitätsklinikum, Johannes Kepler Universität Linz

omar.shebl@kepleruniklinikum.at+43 5 7680 84 0

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 6, 2026