Does the Embryo Transfer Technique Affect the Success of in Vitro Fertilization?

Comparison of IVF Success Rates Between Different Embryo Transfer Techniques: Afterload Technique and Trial Followed by Transfer Technique

Prospective, open, randomized, parallel, two-arm trial to compare the clinical pregnancy rate between most commonly used two embryo transfer techniques: trial followed by transfer technique and afterloading technique

Eligible patients will be informed about the possibility of participating in the clinical trial in the beginning of treatment and on the day ET, a signed consent form will be collected from those recipients who confirmed their participation. These patients will be randomized immediately before the ET procedure by sequentially numbered, opaque, sealed envelopes

Inclusion Criteria:

1. Patient has given written informed consent
2. BMI 18-30 kg/m2
3. < 2 previous failed IVF trials
4. At least two good quality embryos on the day of transfer

Exclusion Criteria:

1. Congenital uterine anomaly
2. Untreated endometrial polyp or fibroid distorting uterine cavity
3. Presence of hydrosalpinx 4.2 or more prior IVF trial failure

5.Moderate to severe endometriosis 6.Recurrent pregnancy loss history