Status:

COMPLETED

Preparing and Timing of the Endometrium in Modified Natural Cycle Frozen-thawed Embryo Transfers

Lead Sponsor:

Anja Bisgaard Pinborg

Collaborating Sponsors:

Copenhagen University Hospital, Hvidovre

Regionshospitalet Horsens

Conditions:

Infertility

Eligibility:

FEMALE

18-41 years

Phase:

PHASE4

Brief Summary

The increasing use of FET emphasizes the importance of preparing and timing the endometrium in FET cycles, however there is no consensus on luteal phase progesterone supplementation in mNC-FET and the...

Detailed Description

Single embryo transfer and freezing of surplus embryos has lowered twin birth rates after in vitro fertilization (IVF) to a level of less than 5% in Denmark. However, several treatments with repeated ...

Eligibility Criteria

Inclusion

  • Female age 18-41 years, regular menstrual cycle (23-35 days), vitrified blastocysts derived from 1.-3. IVF/ICSI cycle in a public hospital and undergoing single blastocyst transfer.

Exclusion

  • \- Previous participation in the study, uterine malformations, intrauterine polyps or submucosal myomas, breast feeding, oocyte donation, preimplantation genetic testing, blastocyst conceived with sperm from testicular sperm aspiration, HIV (woman), hepatitis B and C (woman), known luteal phase insufficiency or if patients are not fulfilling the inclusion criteria. Further exclusion criteria are the following contraindications to progesterone; allergy to the study medication, undiagnosed vaginal bleeding, current missed abortion or ectopic pregnancy, hepatic insufficiency or severe hepatic disease, genital or breast cancer, arterial or venous thromboembolism, thrombophlebitis or porphyria. For patients participating in the sub-study, thyroid disease is an exclusion criterion.

Key Trial Info

Start Date :

January 6 2019

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

December 31 2024

Estimated Enrollment :

679 Patients enrolled

Trial Details

Trial ID

NCT03795220

Start Date

January 6 2019

End Date

December 31 2024

Last Update

May 15 2025

Active Locations (1)

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Page 1 of 1 (1 locations)

1

Fertility Clinic, Rigshospitalet, Copenhagen University Hospital

Copenhagen, Denmark, 2100