The effect of long zona dissection as mechanical assisted hatching in frozen blastocyst transfers

The effect of long zona dissection using ICSI pipettes as mechanical assisted hatching in frozen-thawed blastocyst transfers

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

CRIS

Registry ID

KCT0000174

Enrollment

Registered

2011-08-25

Start date

2011-09-01

Completion date

Unknown

Last updated

2019-03-11

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

Conditions

None listed

Interventions

Procedure/Surgery : The culture of all pronucleate embryos to the blastocyst stage and the selection of blastocysts ? grade 3BB (Gardner and Schoolcraft score), followed by frozen-thawed blastocyst tr

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: Inclusion criteria of patients are infertile women aged ? 38 years, normal uterine cavity and adequate sperms for IVF or ICSI. Before controlled ovarian stimulation, all women will be evaluated for the endometrial and tubal pathology by hysteroscopy and hysterosalpingography, if necessary, endometrial and/or tubal surgeries will be performed.

Exclusion criteria

Exclusion criteria: Exclusion criteria is over 38 years old, husbands who have not adequate sperms for IVF or ICSI. Women who have abnormal endometrial cavity, endometrium those can make abnormal effect to ART.

Design outcomes

Primary

Measure	Time frame
Ongoing pregnancy rate	—

Secondary

Measure	Time frame
Implantation and clinical pregnancy rate	—

Countries

Korea, Republic of

Contacts

Public ContactJongKil Joo

Pusan National University

Outcome results