Clinical trials: Frozen Embryo Pregnancy Rate
Embryo Transfer, Luteal Support
Modified Luteal Support for Frozen-Thawed Embryo Transfer - A Prospective Study
This study evaluates the outcomes of frozen-thawed embryo transfer (FET) success rate with modified luteal support - addition of a single injection of HCG and GnRH-agonist, on day of ET and 4 days later, respectively vs.
- Trial name
- NCT02825290
- Testing
- Choriogonadotropin alfa, Triptorelin acetate
- Where
- Israel
- Volunteers
- 62 people, healthy volunteers welcome
- Sponsor
- Sheba Medical Center
Pregnancy Related, Infertility, Female
Comparison of Live Birth Rate in Natural Cycle Single Euploid FET Versus Without Luteal Phase Support
To evaluate whether single euploid embryo transfer in NC without routinely administered LPS is non-inferior to NC with routinely administered LPS.
- Trial name
- NCT05969795
- Testing
- Transvaginal ultrasound, Serial serum LH, E2, P4, Progesterone 100 Mg Vaginal Insert
- Where
- 3 sites in United Arab Emirates
- Volunteers
- 342 people, healthy volunteers welcome
- Sponsor
- ART Fertility Clinics LLC
Infertility
Intrauterine Injection of Human Chorionic Gonadotropin Injection (hCG) Before Embryo Transfer on Pregnancy Outcomes in Frozen Embryo Transfer Cycles.
The present study is designed as a pilot study with 50 patients in each group. Data collection form will be filled by the researcher who does not know the type of intervention in each group
- Trial name
- NCT02825108
- Testing
- Intra uterine injection of tissue culture medium containing HCG+ET, Intra uterine injection of tissue culture medium +ET, ET
- Where
- Iran
- Volunteers
- 180 people, healthy volunteers welcome
- Sponsor
- Royan Institute
IVF
Comparative Study Between Fresh and Frozen Embryo Transfer in PCOS Patients Undergoing IVF Treatment
The objective of our study is to compare in vitro fertilization (IVF) outcomes between fresh embryo transfer (ET) and frozen-thawed ET in women with polycystic ovary syndrome (PCOS).
- Trial name
- NCT05167838
- Testing
- fresh embryo transfer, Frozen embryo transfer
- Where
- Egypt
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- Cairo University
Infertility, Female, Frozen Embryo Transfer
Luteal Phase Support During Frozen Embryo Transfer Cycle
We aimed to decrease quantity of exogenous estrogen and evaluated the success rate of ongoing pregnancy in women undergone artificial FET who have a surplus embryos at previous fertility treatment cycles.
- Trial name
- NCT04013438
- Testing
- Strogen
- Where
- Iran
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Royan Institute
Human Embryo Cryopreservation
Comparison Between Three Freezing Protocols to Preserve Human Embryos
This randomized study compares three different freezing methods to store human in vitro fertilization (IVF) embryos: vitrification with two commercial kits or slow freezing.
- Trial name
- NCT00910390
- Testing
- Slow freezing, VIT-Irvine, Vit-Vitrolife
- Where
- Belgium
- Volunteers
- 584 people, healthy volunteers welcome
- Sponsor
- Erasme University Hospital
Pregnancy, In Vitro Fertilization
The Impact of Early Embryos Incubation on Pregnancy Rate in IVF
Frozen- thawed embryos obtained by IVF treatments are transferred to the uterus immediately following thawing or after incubation for additional 24-72 hours. The two methods are routine in IVF laboratories.
- Trial name
- IVF-2010 (NCT01287273)
- Where
- Israel
- Volunteers
- 660 people, healthy volunteers welcome
- Sponsor
- Martha Dirnfeld
Endometrial Preparation, Frozen Embryo Transfer
Effect of Adding Sildenafil to Protocol of Endometrial Preparation in Outcome of Frozen-thawed Embryo Transfer Cycles
The target of this study was an estimate the result of sildenafil on ultrasonographic endometrial thickness, endometrial pattern investigation estrogen level on the day of progesterone administration, Implantation rate and…
- Trial name
- sildenafil (NCT01668446)
- Testing
- Sildenafil, estradiol valerat
- Where
- Iran
- Volunteers
- 2 people, healthy volunteers welcome
- Sponsor
- farzaneh hojjat
IVF
Serum Progesterone on the Day of Thawed Embryo Transfer and Pregnancy Rate After an Artificial Endometrial Preparation
To determine if different serum Progesterone levels on FET day are associated with different clinical pregnancy rates (CPR), and if increasing dosage of vaginal Progesterone in cases of lower serum Progesterone level on FET day…
- Trial name
- NCT04278508
- Testing
- Progesterone
- Where
- Israel
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- Hillel Yaffe Medical Center
In Vitro Fertilization
Replacement of Fresh Embryo Transfers (ETs) by Frozen Embryo Transfers (FETs) Using Vitrification
Cryopreservation of all embryos and transferring them subsequently in assisted reproductive technology (ART) cycles to improve outcome.
- Trial name
- NCT00823121
- Testing
- freezing embryos by vitrification, fresh embryo transfers, buserelin
- Where
- Iran
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- Yazd Research & Clinical Center for Infertility
Infertility, Pregnancy Related
The Impact of Vaginal Intercourse on Pregnancy Rates After Frozen Embryo Transfer
This study aims to evaluate whether allowing unprotected vaginal intercourse 24 hours after frozen embryo transfer will result in higher ongoing clinical pregnancy rates in comparison to having participants abstain from…
- Conditions
- Infertility, Pregnancy Related, IVF
- Trial name
- NCT03974295
- Testing
- Vaginal unprotected intercourse
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- University of South Florida
Infertility
Clinical Outcomes of Slow Developing Blastocysts
This study evaluates which transfer strategy will result in a higher probability of pregnancy in patients whose single best day 5 embryo resulting from an IVF cycle is classified as expansion grade <4 by Gardner and Schoolcraft…
- Trial name
- LATEBLOOM (NCT03360097)
- Testing
- Frozen Embryo Transfer
- Where
- Spain
- Volunteers
- 2 people, healthy volunteers welcome
- Sponsor
- Fundacion Dexeus
Infertility, Female
Success Rate Natural Cycles Versus Modified Natural Cycles in Frozen Embryos
There has been a recent significant increase in the frozen embryo replacement (FER) cycles due to freeze-all cycles to decrease the risk of ovarian hyperstimulation syndrome.
- Trial name
- NCT03798886
- Testing
- natural cycle, modified natural cycle, embryo transfer
- Where
- Turkey (Türkiye)
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Acibadem University
Endometrium
The Effect of Tamoxifen on Clinical Outcome in Women With Thin Endometrium Undergoing Frozen Thawed Cycle.
Cryopreservation of embryos created during fresh IVF cycles provides a less expensive and time-intensive opportunity for pregnancy. Ideal endometrium thickness is the key point to optimization FET cycle.
- Trial name
- NCT03060304
- Testing
- Tamoxifen, estradiol valerate
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Sun Yat-sen University
Luteal Phase Support
Two Different Types of Luteal Phase Support in Natural Cycle Frozen Embryo Transfer and Its Effect on Pregnancy Rates
The aim of the study is to compare the pregnancy rate between women treated with Gonadotropin Releasing Hormone (GnRH) agonist together with Human Chorionic Gonadotropin (HCG) and standard luteal support with progesterone…
- Trial name
- NCT05838105
- Testing
- GnRH agonist, hCG, Progesterone 100Mg Vag Tab
- Where
- Israel
- Volunteers
- 144 people, healthy volunteers welcome
- Sponsor
- Shaare Zedek Medical Center
Infertility, Embryo Transfer
Mucus Removal Before Embryo Transfer
Despite these revolutionary changes in the laboratory, little has changed with the process of embryo transfer (ET). A study to prospectively evaluate the role of cervical mucus removal prior to embryo transfer on pregnancy rates…
- Trial name
- MUCRET (NCT03292770)
- Testing
- Flushing Catheter
- Where
- Spain
- Volunteers
- 1,118 people, healthy volunteers welcome
- Sponsor
- Fundacion Dexeus