Impact of a Previous CS on the Ongoing Pregnancy Rate in Single Euploid Frozen Embryo Transfer (ET)

RecruitingOBSERVATIONAL
Enrollment

1,050

Participants

Timeline

Start Date

May 1, 2023

Primary Completion Date

May 15, 2025

Study Completion Date

July 30, 2025

Conditions
InfertilityImplantation
Interventions
DIAGNOSTIC_TEST

Ultrasound between 6+0 and 6+7 weeks of pregnancy - With Isthmocele

"Location of implantation of the GS (gestational sac) amended to Naji et al, defined as 3 possible implantation sites: (A: fundal, B: anterior, C: posterior)~Size of isthmocele:~* Depth of isthmocele~* Width of isthmocele~* Circumference of isthmocele~Distance between isthmocele and outer cervical os (measured with the trace line) Distance between CS scar and outer cervical os (measured with the trace line) Size of gestational sac Measurements of the isthmocele size / circumference / distance between isthmocele / CS and outer cervical os"

DIAGNOSTIC_TEST

Ultrasound between 6+0 and 6+7 weeks of pregnancy - Without Isthmocele

Location of implantation of the GS amended to Naji et al, defined as 3 possible implantation sites: (A: fundal, B: anterior, C: posterior) Distance between CS scar and outer cervical os (measured with the trace line) Size of gestational sac

DIAGNOSTIC_TEST

Ultrasound between 6+0 and 6+7 weeks of pregnancy

"Location of implantation of the GS (gestational sac) amended to Naji et al, defined as 3 possible implantation sites (A: fundal, B: anterior, C: posterior)~Size of gestational sac"

Trial Locations (1)

60202

RECRUITING

ART Fertility Clinics LLC, Abu Dhabi

All Listed Sponsors
lead

ART Fertility Clinics LLC

OTHER