Should the site of embryo transfer be changed according to endometrial cavity length?

Should the site of embryo transfer be changed according to endometrial cavity length: a prospective randomized controlled trial

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

ISRCTN

Registry ID

ISRCTN15972342

Enrollment

200

Registered

2015-02-27

Start date

2012-06-01

Completion date

Unknown

Last updated

2016-10-17

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

Conditions

Pregnancy Pregnancy and Childbirth In vivo embryo transfer

Interventions

Group A: embryo transfer catheter tip positioned at 2 cm DFE Group B: embryo transfer catheter tip positioned at midpoint area of ECL

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: All women who undergo controlled ovarian stimulation.

Exclusion criteria

Exclusion criteria: 1. When embryos are expected to be frozen due to ovarian hyperstimulation. 2. When embryo transfer is not performed by same physician because of absence of physician.

Design outcomes

Primary

Measure	Time frame
Pregnancy outcomes such as implantation rates, chemical pregnancy rates, clinical pregnancy rates, ongoing pregnancy rates.	—

Secondary

Measure	Time frame
Ectopic pregnancy and miscarriage rates.	—

Countries

Korea, South

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Mar 4, 2026